Vote for your favorite mineral in #MinCup26! - Pyromorphite vs. Graphite
Linked by archaic translations and mineralogical misunderstandings, the quarterfinals are ending in hexagons with vivid pyromorphite vs writeable graphite.
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Randolph County, North Carolina, USAi
Regional Level Types
Randolph CountyCounty
North CarolinaState
USACountry

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PhotosMapsSearchMineralogy
02472030017272054482805.jpg
Quartz

Randolph County, North Carolina, USA
06162360017272054483305.jpg
Pyrophyllite

Randolph County, North Carolina, USA
04451510017272054494264.jpg
Quartz

Randolph County, North Carolina, USA
02472030017272054482805.jpg
Quartz

Randolph County, North Carolina, USA
06162360017272054483305.jpg
Pyrophyllite

Randolph County, North Carolina, USA
04451510017272054494264.jpg
Quartz

Randolph County, North Carolina, USA
02472030017272054482805.jpg
Quartz

Randolph County, North Carolina, USA
00916640017272054505586.jpg
Pyrophyllite

Randolph County, North Carolina, USA
Neighbouring regions:
Guilford County, North Carolina, USA
Davidson County, North Carolina, USA
Montgomery County, North Carolina, USA
Moore County, North Carolina, USA
Chatham County, North Carolina, USA
Alamance County, North Carolina, USA
Type:
County
Largest Settlements:
PlacePopulation
Asheboro26,103 (2017)
Archdale11,564 (2017)
Trinity6,669 (2017)
Randleman4,153 (2017)
Liberty2,683 (2017)
Ramseur1,701 (2017)
Mindat Locality ID:
24601
Long-form identifier:
mindat:1:2:24601:2
GUID (UUID V4):
0
Other Languages:
View 32 more...
French:
comté de Randolph, Caroline du Nord, États-Unis
German:
Randolph County, North Carolina, Vereinigte Staaten
Italian:
contea di Randolph, Carolina del Nord, Stati Uniti d'America
Russian:
Рэндольф, Северная Каролина, Соединённые Штаты Америки
Simplified Chinese:
蘭道夫縣, 北卡罗来纳州, 美国
Spanish:
Condado de Randolph, Carolina del Norte, Estados Unidos
Albanian:
Randolph County, North Carolina, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة راندولف, كارولاينا الشمالية, الولايات المتحدة
Basque:
Randolph konderria, Ipar Carolina
Bavarian:
Randolph County, North Carolina, Vaoanigte Stootn
Bishnupriya Manipuri:
রেন্ডলফ কাউন্টি, নর্থ ক্যারোলাইনা, তিলপারাষ্ট্র
Bulgarian:
Рандолф, Северна Каролина, Съединени американски щати
Cebuano:
Randolph County, North Carolina
Dutch:
Randolph County, North Carolina, Verenigde Staten
Farsi/Persian:
شهرستان رندولف، کارولینای شمالی, کارولینای شمالی, ایالات متحده آمریکا
Hebrew:
מחוז רנדולף, קרוליינה הצפונית, ארצות הברית
Hungarian:
Randolph megye, Észak-Karolina, Amerikai Egyesült Államok
Irish Gaelic:
Contae Randolph, Carolina Thuaidh, Stáit Aontaithe Mheiriceá
Japanese:
ランドルフ郡, ノースカロライナ州, アメリカ合衆国
Low Saxon/Low German:
Randolph County, Noord-Carolina, USA
Min Dong Chinese:
Randolph Gông, North Carolina
Minnan / Hokkien-Taiwanese:
Randolph Kūn
Norwegian:
Randolph County, Nord-Carolina, USA
Polish:
Hrabstwo Randolph, Karolina Północna, Stany Zjednoczone
Portuguese:
Condado de Randolph, Carolina do Norte, Estados Unidos
Romanian:
Comitatul Randolph, Carolina de Nord, Statele Unite ale Americii
Sardinian:
contea de Randolph, Carolina de Nord, Istados Unidos de Amèrica
Scots:
Randolph Coonty, North Carolina
Serbian:
Округ Рандолф, Северна Каролина, Сједињене Америчке Државе
Serbo-Croatian:
Randolph County, Sjeverna Karolina, Sjedinjene Američke Države
Swedish:
Randolph County, North Carolina, USA
Traditional Chinese:
蘭道夫郡, 北卡羅萊納州, 美國
Turkish:
Randolph County, Kuzey Karolina, Amerika Birleşik Devletleri
Ukrainian:
Рендолф, Північна Кароліна, Сполучені Штати Америки
Urdu:
رینڈولف کاؤنٹی، شمالی کیرولینا, شمالی کیرولائنا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Randolph, North Carolina, Chủng Quốc Hoa Kỳ
Waray:
Condado han Randolph, North Carolina, Estados Unidos
Western Punjabi:
رانڈولف کاؤنٹی, نارتھ کیرولائنا, امریکہ


Note: The geographic coordinates presented are taken from the Asheboro topo map (GNIS database preferred). The USGS GNIS database presents 20 sets of coordinates for this county.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

56 valid minerals. 1 erroneous literature entry.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Acanthite
Formula: Ag2S
References:
Randy Davis CollectionIdentified by Randy Davis: Visual Identification
ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ 'Alkali Feldspar'
ⓘ Andalusite
Formula: Al2(SiO4)O
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Baryte
Formula: BaSO4
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Localities: Reported from at least 10 localities in this region.
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calaverite
Formula: AuTe2
ⓘ Calcite
Formula: CaCO3
Localities: Reported from at least 6 localities in this region.
ⓘ Carlsbergite
Formula: CrN
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 10 localities in this region.
ⓘ 'Chlorite Group'
Localities: Reported from at least 18 localities in this region.
ⓘ Chloritoid
Formula: Fe2+Al2O(SiO4)(OH)2
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Covellite
Formula: CuS
ⓘ Daubréelite
Formula: Fe2+Cr3+2S4
ⓘ Diaspore
Formula: AlO(OH)
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Localities: Reported from at least 7 localities in this region.
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Feldspar Group'
✪ Fluellite
Formula: Al2(PO4)F2(OH) · 7H2O
Habit: 3-4mm
Fluorescence: LW - creamy white
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
Habit: Vein
Colour: white
Fluorescence: light orange in SW and LW
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gormanite ?
Formula: (Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
ⓘ Halite ?
Formula: NaCl
ⓘ Hematite
Formula: Fe2O3
Localities: Reported from at least 18 localities in this region.
ⓘ Hematite var. Specularite
Formula: Fe2O3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
Localities: Reported from at least 9 localities in this region.
ⓘ 'K Feldspar'
ⓘ 'K Feldspar var. Adularia'
Formula: KAlSi3O8
ⓘ Lazulite
Formula: MgAl2(PO4)2(OH)2
ⓘ 'Limonite'
Localities: Reported from at least 16 localities in this region.
ⓘ Löllingite
Formula: FeAs2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Localities: Reported from at least 9 localities in this region.
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ 'Manganese Oxides'
ⓘ Molybdenite
Formula: MoS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 33 localities in this region.
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
Localities: Reported from at least 30 localities in this region.
ⓘ Native Gold
Formula: Au
Localities: Reported from at least 33 localities in this region.
ⓘ Native Iron
Formula: Fe
ⓘ Native Iron var. Kamacite
Formula: (Fe,Ni)
ⓘ Native Silver
Formula: Ag
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
ⓘ Orthoclase
Formula: K(AlSi3O8)
ⓘ Ottrélite
Formula: Mn2+Al2O(SiO4)(OH)2
ⓘ Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Plessite'
ⓘ Pyrite
Formula: FeS2
Localities: Reported from at least 38 localities in this region.
ⓘ Pyrite var. Gold-bearing Pyrite
Formula: FeS2
ⓘ Pyrophyllite
Formula: Al2Si4O10(OH)2
Localities: Reported from at least 8 localities in this region.
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
Localities: Reported from at least 38 localities in this region.
ⓘ Quartz var. Amethyst
Formula: SiO2
ⓘ Quartz var. Bull Quartz
Formula: SiO2
ⓘ Quartz var. Milky Quartz
Formula: SiO2
Localities: Reported from at least 6 localities in this region.
ⓘ Quartz var. Rutilated Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ Rutile
Formula: TiO2
ⓘ Schreibersite
Formula: (Fe,Ni)3P
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Taenite
Formula: (Ni,Fe)
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Topaz
Formula: Al2(SiO4)(F,OH)2
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
ⓘ Troilite
Formula: FeS
ⓘ Variscite
Formula: AlPO4 · 2H2O
ⓘ Wavellite
Formula: Al3(PO4)2(OH)3 · 5H2O
ⓘ Zircon
Formula: Zr(SiO4)

Gallery:

Auⓘ Native Gold
trans.png
Native Gold

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Native Gold

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Native Gold

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
Al2Si4O10(OH)2ⓘ Pyrophyllite
trans.png
Pyrophyllite

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite, etc.

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite, etc.

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite

Staley Mine, Staley, Randolph County, North Carolina, USA
trans.png
Pyrophyllite, etc.

Staley Mine, Staley, Randolph County, North Carolina, USA
SiO2ⓘ Quartz
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Quartz

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
SiO2ⓘ Quartz var. Amethyst
trans.png
Amethyst, etc.

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Amethyst, etc.

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Amethyst, etc.

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Amethyst, etc.

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Amethyst, etc.

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
trans.png
Amethyst, etc.

Baldwin Place Farm, Asheboro, Randolph County, North Carolina, USA
SiO2ⓘ Quartz var. Rutilated Quartz
trans.png
Rutilated Quartz

Randolph County, North Carolina, USA
trans.png
Rutilated Quartz

Randolph County, North Carolina, USA
trans.png
Rutilated Quartz

Randolph County, North Carolina, USA

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Silver1.AA.05Ag
ⓘNative Iron1.AE.05Fe
ⓘvar. Kamacite1.AE.05(Fe,Ni)
ⓘTaenite1.AE.10(Ni,Fe)
ⓘCarlsbergite1.BC.15CrN
ⓘSchreibersite1.BD.05(Fe,Ni)3P
Group 2 - Sulphides and Sulfosalts
ⓘChalcocite2.BA.05Cu2S
ⓘBornite ?2.BA.15Cu5FeS4
ⓘAcanthite2.BA.35Ag2S
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘTroilite2.CC.10FeS
ⓘGalena2.CD.10PbS
ⓘDaubréelite2.DA.05Fe2+Cr3+2S4
ⓘCalaverite2.EA.10AuTe2
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite
var. Gold-bearing Pyrite		2.EB.05aFeS2
ⓘ2.EB.05aFeS2
ⓘLöllingite2.EB.15aFeAs2
ⓘArsenopyrite2.EB.20FeAsS
Group 3 - Halides
ⓘHalite ?3.AA.20NaCl
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘHematite
var. Specularite		4.CB.05Fe2O3
ⓘQuartz
var. Amethyst		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘvar. Rutilated Quartz4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘvar. Milky Quartz4.DA.05SiO2
ⓘvar. Bull Quartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
ⓘDiaspore4.FD.10AlO(OH)
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘLazulite8.BB.40MgAl2(PO4)2(OH)2
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘVariscite8.CD.10AlPO4 · 2H2O
ⓘGormanite ?8.DC.45(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
ⓘWavellite8.DC.50Al3(PO4)2(OH)3 · 5H2O
ⓘFluellite8.DE.10Al2(PO4)F2(OH) · 7H2O
Group 9 - Silicates
ⓘZircon9.AD.30Zr(SiO4)
ⓘAndalusite9.AF.10Al2(SiO4)O
ⓘTopaz9.AF.35Al2(SiO4)(F,OH)2
ⓘChloritoid9.AF.85Fe2+Al2O(SiO4)(OH)2
ⓘOttrélite9.AF.85Mn2+Al2O(SiO4)(OH)2
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘPyrophyllite9.EC.10Al2Si4O10(OH)2
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPhlogopite9.EC.20KMg3(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘOrthoclase9.FA.30K(AlSi3O8)
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
Unclassified
ⓘ'K Feldspar
var. Adularia'		-KAlSi3O8
ⓘ'Alkali Feldspar'-
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Hornblende Root Name Group'-◻Ca2(C2+4C3+)(AlSi7O22)W2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Plessite'-
ⓘ'Manganese Oxides'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ ChloritoidFe2+Al2O(SiO4)(OH)2
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ DiasporeAlO(OH)
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ FluelliteAl2(PO4)F2(OH) · 7H2O
Hⓘ GoethiteFe3+O(OH)
Hⓘ Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ LazuliteMgAl2(PO4)2(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ OttréliteMn2+Al2O(SiO4)(OH)2
Hⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Hⓘ PyrophylliteAl2Si4O10(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ TopazAl2(SiO4)(F,OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ VarisciteAlPO4 · 2H2O
Hⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
NNitrogen
Nⓘ CarlsbergiteCrN
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ K Feldspar var. AdulariaKAlSi3O8
Oⓘ Quartz var. AmethystSiO2
Oⓘ AndalusiteAl2(SiO4)O
Oⓘ BaryteBaSO4
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ ChloritoidFe2+Al2O(SiO4)(OH)2
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ DiasporeAlO(OH)
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ FluelliteAl2(PO4)F2(OH) · 7H2O
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GoethiteFe3+O(OH)
Oⓘ Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ LazuliteMgAl2(PO4)2(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ OrthoclaseK(AlSi3O8)
Oⓘ OttréliteMn2+Al2O(SiO4)(OH)2
Oⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Oⓘ PyrophylliteAl2Si4O10(OH)2
Oⓘ QuartzSiO2
Oⓘ Quartz var. Rutilated QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SideriteFeCO3
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TopazAl2(SiO4)(F,OH)2
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ VarisciteAlPO4 · 2H2O
Oⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Oⓘ ZirconZr(SiO4)
Oⓘ Hematite var. SpeculariteFe2O3
Oⓘ Quartz var. Milky QuartzSiO2
Oⓘ Fayalite-Forsterite Series
Oⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Quartz var. Bull QuartzSiO2
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluelliteAl2(PO4)F2(OH) · 7H2O
Fⓘ FluorapatiteCa5(PO4)3F
Fⓘ FluoriteCaF2
Fⓘ TopazAl2(SiO4)(F,OH)2
NaSodium
Naⓘ HaliteNaCl
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Mgⓘ LazuliteMgAl2(PO4)2(OH)2
Mgⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ K Feldspar var. AdulariaKAlSi3O8
Alⓘ AndalusiteAl2(SiO4)O
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ ChloritoidFe2+Al2O(SiO4)(OH)2
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ DiasporeAlO(OH)
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ FluelliteAl2(PO4)F2(OH) · 7H2O
Alⓘ Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ LazuliteMgAl2(PO4)2(OH)2
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ OrthoclaseK(AlSi3O8)
Alⓘ OttréliteMn2+Al2O(SiO4)(OH)2
Alⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Alⓘ PyrophylliteAl2Si4O10(OH)2
Alⓘ TopazAl2(SiO4)(F,OH)2
Alⓘ VarisciteAlPO4 · 2H2O
Alⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
Alⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ K Feldspar var. AdulariaKAlSi3O8
Siⓘ Quartz var. AmethystSiO2
Siⓘ AndalusiteAl2(SiO4)O
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ ChloritoidFe2+Al2O(SiO4)(OH)2
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ OrthoclaseK(AlSi3O8)
Siⓘ OttréliteMn2+Al2O(SiO4)(OH)2
Siⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Siⓘ PyrophylliteAl2Si4O10(OH)2
Siⓘ QuartzSiO2
Siⓘ Quartz var. Rutilated QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TopazAl2(SiO4)(F,OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ ZirconZr(SiO4)
Siⓘ Quartz var. Milky QuartzSiO2
Siⓘ Fayalite-Forsterite Series
Siⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Quartz var. Bull QuartzSiO2
PPhosphorus
Pⓘ FluelliteAl2(PO4)F2(OH) · 7H2O
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Pⓘ LazuliteMgAl2(PO4)2(OH)2
Pⓘ Schreibersite(Fe,Ni)3P
Pⓘ VarisciteAlPO4 · 2H2O
Pⓘ WavelliteAl3(PO4)2(OH)3 · 5H2O
SSulfur
Sⓘ AcanthiteAg2S
Sⓘ ArsenopyriteFeAsS
Sⓘ Pyrite var. Gold-bearing PyriteFeS2
Sⓘ BaryteBaSO4
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ DaubréeliteFe2+Cr23+S4
Sⓘ GalenaPbS
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ TroiliteFeS
ClChlorine
Clⓘ HaliteNaCl
KPotassium
Kⓘ K Feldspar var. AdulariaKAlSi3O8
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ OrthoclaseK(AlSi3O8)
Kⓘ PhlogopiteKMg3(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ FluoriteCaF2
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caⓘ Hornblende Root Name Group◻Ca2(C42+C3+)(AlSi7O22)W2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
CrChromium
Crⓘ CarlsbergiteCrN
Crⓘ DaubréeliteFe2+Cr23+S4
MnManganese
Mnⓘ OttréliteMn2+Al2O(SiO4)(OH)2
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ArsenopyriteFeAsS
Feⓘ Pyrite var. Gold-bearing PyriteFeS2
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ ChloritoidFe2+Al2O(SiO4)(OH)2
Feⓘ DaubréeliteFe2+Cr23+S4
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ GoethiteFe3+O(OH)
Feⓘ Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ Native IronFe
Feⓘ Native Iron var. Kamacite(Fe,Ni)
Feⓘ LöllingiteFeAs2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Schreibersite(Fe,Ni)3P
Feⓘ SideriteFeCO3
Feⓘ Taenite(Ni,Fe)
Feⓘ TroiliteFeS
Feⓘ Hematite var. SpeculariteFe2O3
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ Native Iron var. Kamacite(Fe,Ni)
Niⓘ Schreibersite(Fe,Ni)3P
Niⓘ Taenite(Ni,Fe)
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ MalachiteCu2(CO3)(OH)2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ LöllingiteFeAs2
ZrZirconium
Zrⓘ ZirconZr(SiO4)
MoMolybdenum
Moⓘ MolybdeniteMoS2
AgSilver
Agⓘ AcanthiteAg2S
Agⓘ Native SilverAg
TeTellurium
Teⓘ CalaveriteAuTe2
BaBarium
Baⓘ BaryteBaSO4
AuGold
Auⓘ CalaveriteAuTe2
Auⓘ Native GoldAu
PbLead
Pbⓘ GalenaPbS

Fossils

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Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Randolph_County,_North_Carolina
Wikidata ID:Q507943
GeoNames ID:4487127

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North AmericaContinent
North America PlateTectonic Plate
USA

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