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Esquireite

A valid IMA mineral species
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Photos of Esquireite (3)Discuss Esquireite
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BaSi6O13 · 7H2O
Colour:
Colorless
Lustre:
Vitreous, Pearly
Hardness:
2
Specific Gravity:
2.18 - 2.237
Crystal System:
Monoclinic
Name:
Named after the type locality.
Type Locality:
ⓘEsquire No. 1 claim, Rush Creek, Big Creek-Rush Creek Mining District, Fresno County, California, USA
A low-temperature hydrothermal alteration product of sanbornite, found on the surface of sanbornite.


Unique Identifiers
Approval year:
2014

Classification of Esquireite

9 : SILICATES (Germanates)
D : Inosilicates
P : Transitional ino-phyllosilicate structures

Mineral Symbols
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Hardness:
2 onMohs scale
Comment:
About 2
Tenacity:
Flexible
Cleavage:
Perfect
perfect on {001} and fair on {100}.
Fracture:
Irregular/Uneven
Density:
2.18 - 2.237 g/cm3 (Measured)    

Optical Data of Esquireite
Surface Relief:
Moderate
Dispersion:
None
Pleochroism:
Non-pleochroic

Chemistry of Esquireite

Crystallography of Esquireite
Place of Conservation of Type Material:
Cotype material is deposited in the collections of the Natural History Museum of Los Angeles County, 900 Exposition Boulevard, Los Angeles, California 90007, USA, catalogue numbers 64540, 64541, 64542, 64543 and 64544
Associated Minerals at Type Locality:
Sanbornite

Synonyms of Esquireite

Other Language Names for Esquireite

Common AssociatesOrth.mm2 :Pma29.DP.05Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]Tet.4 :I49.DP.15LeucospheniteBaNa4Ti2B2Si10O30Mon. 2/m :B2/m9.DP.20PrehniteCa2Al2Si3O10(OH)2Orth.mm29.DP.25AmstalliteCaAl[(Al,Si)4O8(OH)2](OH)2 · (H2O,Cl)Mon. 2/m :B2/b9.DP.30KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2Orth.mmm(2/m2/m2/m)9.DP.35Lemoynite(Na,K)2CaZr2Si10O26 · 5H2OMon. 2/m :B2/b9.DP.35Hogarthite(Na,K)2CaTi2Si10O26 · 8H2OMon. 2/m :B2/m9.DP.35NatrolemoyniteNa4Zr2Si10O26 · 9H2OMon. 2/m :B2/m9.DP.40AltisiteNa3K6Ti2Al2Si8O26Cl3Mon. 2/m :B2/m9.DP.45Chiappinoite-(Y)Y2Mn(Si3O7)4Orth.mmm(2/m2/m2/m) :Ibam

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    • References for EsquireiteⓘGun claimCollected and analysed by Gunnar Farber
    USA
     
    Walstrom (n.d.)Reiner Mielke 2016Walstrom (n.d.)+3 other referencesKampf et al. (2015)
    Quick NavTopAbout EsquireiteUnique IdentifiersIMA ClassificationClassificationMineral SymbolsPhysical PropertiesOptical DataChemistryCrystallographyX-Ray Powder DiffractionGeological EnvironmentType OccurrenceSynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet LinksReferencesLocalitiesLocality List
     
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