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Mezö-Madaras meteorite (Fekete; Madaras; Maros; Mesö-Madarasz; Mezoe-Madaras; Weiler [NHM Cat.]), Harghita County, Romaniai
Regional Level Types
Mezö-Madaras meteorite (Fekete; Madaras; Maros; Mesö-Madarasz; Mezoe-Madaras; Weiler [NHM Cat.])Meteorite Fall Location
Harghita CountyCounty
RomaniaCountry
Mezö-Madaras meteorite (Fekete; Madaras; Maros; Mesö-Madarasz; Mezoe-Madaras; Weiler [NHM Cat.]), Carpathian Mountains, Europe

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Latitude & Longitude (WGS84):
46° 30' 0'' North , 25° 43' 59'' East
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Mădăraș2,297 (2013)1.2km
Dăneşti4,455 (2012)2.2km
Cârţa5,407 (2012)3.9km
Ineu1,929 (2013)5.5km
Racu1,166 (2013)5.8km
Mindat Locality ID:
28253
Long-form identifier:
mindat:1:2:28253:7
GUID (UUID V4):
0


Unequilibrated ordinary chondrite, brecciated (L3.7; S2; W0)
Witnessed Fall, 4 September 1852; 22.7 kg

After a bolide and detonations, a shower of stones fell — including a ~10 kg stone. In thin sections the predominant constituents are clearly delineated chondrules (esp. porphyritic olivine-pyroxene [POP] and radial pyroxene [RP]) within a background matrix with fragments, grains, and inclusions of other silicates, Fe-Ni metal, troilite, and numerous smaller items of diverse origin. Overall olivine has a mean composition of Fa21.7±6 which includes both occasional forsteritic chondrules and frequent fayalitic rims. Clinopyroxene-orthopyroxene intergrowths provide additional evidence of disequilibrium. Glass and carbon are volumetrically minor, but ubiquitous. Many chondrules are surrounded by chains of Fe-metal and troilite.

Merrihueite was found in a few chondules of the (L3) chondrite meteorite, as inclusions in clinopyroxenes. Associated by fayalitic olivine and nickel-iron.

NOTE: The place, the Mezömadaras village in Romania, where this meteorite fell on the 4th September of 1852 is not in Harghita Co., as it appears in almost all catalogues, but in Mures Co. The misunderstanding probably happened because in Harghita county there is also a Madaras village (and the coordinates given in the catalogues point exactly to this), but this is Csikmadaras, not Mezömadaras. Mezömadaras, the true place of the meteorite fall, is in Mures Co., 12.5 km west from Tirgu Mures. The "Weiler" mentioned in the NHM catalogue is a German word for hamlet.

The Mezö-Madaras meteorite is one of only 44 witnessed unequilibrated ordinary chondrite (UOC) falls listed at the Meteoritical Bulletin Database (early September 2015). Mezö-Madaras and Ceniceros (a 1988 fall) are the only UOC falls currently listed specifically as petrologic type L3.7.

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Standard Detailed Gallery Strunz Chemical Elements

Mineral List


21 valid minerals. 1 (TL) - type locality of valid minerals.

Meteorite/Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Anorthite
Formula: Ca(Al2Si2O8)
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Chromite
Formula: Fe2+Cr3+2O4
ⓘ Clinoenstatite
Formula: MgSiO3
ⓘ 'Clinopyroxene Subgroup'
Description: Clinopyroxene-Orthopyroxene intergrowths are found.
ⓘ Cristobalite
Formula: SiO2
ⓘ Diamond
Formula: C
ⓘ Fayalite
Formula: Fe2+2SiO4
ⓘ 'Fayalite-Forsterite Series'
ⓘ 'Glass'
ⓘ Hibonite
Formula: CaAl12O19
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Isocubanite
Formula: CuFe2S3
ⓘ Merrihueite (TL)
Formula: K(◻Na)Fe2+2Fe2+3[Si12O30]
Type Locality:
ⓘ Merrillite
Formula: Ca9NaMg(PO4)7
Description: Named later in his honor, Merrill (1915) identified 24 instances of this new anhydrous Ca-phosphate.
ⓘ Native Copper
Formula: Cu
ⓘ Native Iron
Formula: Fe
ⓘ Native Iron var. Kamacite
Formula: (Fe,Ni)
ⓘ Nepheline
Formula: Na3K(Al4Si4O16)
ⓘ 'Orthopyroxene Subgroup'
ⓘ Perovskite
Formula: CaTiO3
ⓘ Pigeonite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
ⓘ 'Plessite'
Description: Rare.
ⓘ 'Pyroxene Group'
Formula: ADSi2O6
ⓘ Roedderite
Formula: K(◻Na)Mg2Mg3[Si12O30]
ⓘ Spinel
Formula: MgAl2O4
ⓘ Taenite
Formula: (Fe,Ni)
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ Troilite
Formula: FeS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘNative Iron1.AE.05Fe
ⓘvar. Kamacite1.AE.05(Fe,Ni)
ⓘTaenite1.AE.10(Fe,Ni)
ⓘDiamond1.CB.10aC
Group 2 - Sulphides and Sulfosalts
ⓘIsocubanite2.CB.55bCuFe2S3
ⓘTroilite2.CC.10FeS
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘPerovskite4.CC.30CaTiO3
ⓘHibonite4.CC.45CaAl12O19
ⓘCristobalite4.DA.15SiO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMerrillite8.AC.45Ca9NaMg(PO4)7
Group 9 - Silicates
ⓘFayalite9.AC.05Fe2+2SiO4
ⓘMerrihueite (TL)9.CM.05K(◻Na)Fe2+2Fe2+3[Si12O30]
ⓘRoedderite9.CM.05K(◻Na)Mg2Mg3[Si12O30]
ⓘClinoenstatite9.DA.10MgSiO3
ⓘPigeonite9.DA.10(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘNepheline9.FA.05Na3K(Al4Si4O16)
ⓘAnorthite9.FA.35Ca(Al2Si2O8)
Unclassified
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Fayalite-Forsterite Series'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Pyroxene Group'-ADSi2O6
ⓘ'Plessite'-
ⓘ'Orthopyroxene Subgroup'-
ⓘ'Glass'-

List of minerals for each chemical element

CCarbon
Cⓘ DiamondC
OOxygen
Oⓘ AnorthiteCa(Al2Si2O8)
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ClinoenstatiteMgSiO3
Oⓘ CristobaliteSiO2
Oⓘ FayaliteFe22+SiO4
Oⓘ HiboniteCaAl12O19
Oⓘ IlmeniteFe2+TiO3
Oⓘ MerrihueiteK(◻Na)Fe22+Fe32+[Si12O30]
Oⓘ NephelineNa3K(Al4Si4O16)
Oⓘ PerovskiteCaTiO3
Oⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Oⓘ SpinelMgAl2O4
Oⓘ MerrilliteCa9NaMg(PO4)7
Oⓘ Fayalite-Forsterite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Pyroxene GroupADSi2O6
NaSodium
Naⓘ MerrihueiteK(◻Na)Fe22+Fe32+[Si12O30]
Naⓘ NephelineNa3K(Al4Si4O16)
Naⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Naⓘ MerrilliteCa9NaMg(PO4)7
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ ClinoenstatiteMgSiO3
Mgⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Mgⓘ SpinelMgAl2O4
Mgⓘ MerrilliteCa9NaMg(PO4)7
Mgⓘ Fayalite-Forsterite Series
AlAluminium
Alⓘ AnorthiteCa(Al2Si2O8)
Alⓘ HiboniteCaAl12O19
Alⓘ NephelineNa3K(Al4Si4O16)
Alⓘ SpinelMgAl2O4
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ AnorthiteCa(Al2Si2O8)
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ ClinoenstatiteMgSiO3
Siⓘ CristobaliteSiO2
Siⓘ FayaliteFe22+SiO4
Siⓘ MerrihueiteK(◻Na)Fe22+Fe32+[Si12O30]
Siⓘ NephelineNa3K(Al4Si4O16)
Siⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
Siⓘ Fayalite-Forsterite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Pyroxene GroupADSi2O6
PPhosphorus
Pⓘ MerrilliteCa9NaMg(PO4)7
SSulfur
Sⓘ IsocubaniteCuFe2S3
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ TroiliteFeS
KPotassium
Kⓘ MerrihueiteK(◻Na)Fe22+Fe32+[Si12O30]
Kⓘ NephelineNa3K(Al4Si4O16)
Kⓘ RoedderiteK(◻Na)Mg2Mg3[Si12O30]
CaCalcium
Caⓘ AnorthiteCa(Al2Si2O8)
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ HiboniteCaAl12O19
Caⓘ PerovskiteCaTiO3
Caⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ MerrilliteCa9NaMg(PO4)7
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ PerovskiteCaTiO3
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ FayaliteFe22+SiO4
Feⓘ IlmeniteFe2+TiO3
Feⓘ Native IronFe
Feⓘ IsocubaniteCuFe2S3
Feⓘ Native Iron var. Kamacite(Fe,Ni)
Feⓘ MerrihueiteK(◻Na)Fe22+Fe32+[Si12O30]
Feⓘ Pigeonite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ Taenite(Fe,Ni)
Feⓘ TroiliteFeS
Feⓘ Fayalite-Forsterite Series
NiNickel
Niⓘ Native Iron var. Kamacite(Fe,Ni)
Niⓘ Taenite(Fe,Ni)
CuCopper
Cuⓘ Native CopperCu
Cuⓘ IsocubaniteCuFe2S3
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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