Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Green Knobs, Red Lake volcanic field, McKinley County, New Mexico, USAi
Regional Level Types
Green Knobs- not defined -
Red Lake volcanic field- not defined -
McKinley CountyCounty
New MexicoState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
06868640017272077992132.jpg
Forsterite

Green Knobs, Red Lake volcanic field, McKinley County, New Mexico, USA
06868640017272077992132.jpg
Forsterite

Green Knobs, Red Lake volcanic field, McKinley County, New Mexico, USA
06868640017272077992132.jpg
Forsterite

Green Knobs, Red Lake volcanic field, McKinley County, New Mexico, USA
Latitude & Longitude (WGS84):
35° 57' 12'' North , 109° 1' 43'' West
Latitude & Longitude (decimal):
35.95334,-109.02871
GeoHash:
G#: 9w6kwcper
GRN:
N24W64
Köppen climate type:
BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Navajo1,645 (2011)5.9km
Crystal311 (2011)11.7km
Sawmill748 (2011)13.6km
Fort Defiance3,624 (2011)23.6km
Nakaibito466 (2011)25.5km
Mindat Locality ID:
50429
Long-form identifier:
mindat:1:2:50429:9
GUID (UUID V4):
0


Northeast of Red Lake.

Serpentinized ultramafic microbreccias (SUMs) occurrences.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

ⓘ Calcite
Formula: CaCO3
ⓘ 'Chlorite Group'
ⓘ Clinohumite
Formula: Mg9(SiO4)4F2
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ Diopside var. Chromium-bearing Diopside
Formula: Ca(Mg,Cr)Si2O6
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Feldspar Group'
ⓘ 'Feldspar Group var. Perthite'
ⓘ Forsterite
Formula: Mg2SiO4
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ Hydroxylclinohumite var. Titanclinohumite
Formula: (Mg,Ti)9(SiO4)4(OH,F)2
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'Leucoxene'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Pyrope
Formula: Mg3Al2(SiO4)3
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘPyrope9.AD.25Mg3Al2(SiO4)3
ⓘClinohumite9.AF.55Mg9(SiO4)4F2
ⓘHydroxylclinohumite
var. Titanclinohumite		9.AF.55(Mg,Ti)9(SiO4)4(OH,F)2
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘDiopside
var. Chromium-bearing Diopside		9.DA.15Ca(Mg,Cr)Si2O6
ⓘ9.DA.15CaMgSi2O6
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘSepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Feldspar Group'-
ⓘ'Leucoxene'-
ⓘ'Feldspar Group
var. Perthite'		-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CalciteCaCO3
Oⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Oⓘ ClinohumiteMg9(SiO4)4F2
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ ForsteriteMg2SiO4
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ PyropeMg3Al2(SiO4)3
Oⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Pyroxene GroupADSi2O6
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ ClinohumiteMg9(SiO4)4F2
Fⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mgⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Mgⓘ ClinohumiteMg9(SiO4)4F2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ PyropeMg3Al2(SiO4)3
Mgⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
AlAluminium
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ PyropeMg3Al2(SiO4)3
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Siⓘ ClinohumiteMg9(SiO4)4F2
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ ForsteriteMg2SiO4
Siⓘ PyropeMg3Al2(SiO4)3
Siⓘ SepioliteMg4(Si6O15)(OH)2 · 6H2O
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Pyroxene GroupADSi2O6
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
Caⓘ DiopsideCaMgSi2O6
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
CrChromium
Crⓘ Diopside var. Chromium-bearing DiopsideCa(Mg,Cr)Si2O6
FeIron
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate
USA

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
Quick NavTopMineral ListOther Regions
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 29, 2026 03:20:40 Page updated: August 17, 2025 16:43:12
Go to top of page