硅钙铅锌矿
Sign in to saveAlso known as IMA1964-027
Esperite is a rare complex calcium lead zinc silicate (PbCa3Zn4(SiO4)4) related to beryllonite and trimerite that used to be called calcium larsenite.
Key facts
- Mineral.name
- Esperite
- Mineral.category
- Silicate mineral
- Mineral.image
- Esperite under UV light.jpg
- Mineral.caption
- Esperite under ultraviolet light
- Mineral.formula
- PbCa3Zn4(SiO4)4
- Mineral.IMAsymbol
- Epr
- Mineral.strunz
- 9.AB.15
- Mineral.system
- Monoclinic
- Mineral.class
- Prismatic (2/m) (same H-M symbol)
- Mineral.symmetry
- P21/m
- Mineral.color
- White
- Mineral.habit
- Typically massive
- Mineral.cleavage
- Distinct on [010] and [100] – poor on [101]
- Mineral.fracture
- Conchoidal, brittle
- Mineral.mohs
- 5–5.5
- Mineral.luster
- Vitreous
- Mineral.refractive
- nα = 1.762 nβ = 1.770 nγ = 1.774
- Mineral.opticalprop
- Biaxial (−), 2V measured: 5° to 40°
via Wikipedia infobox
Wikidata facts
- Image
- Esperite under UV light.jpg
Show 8 more facts
- Commons category
- Esperite
- Nickel-Strunz 9th edition (updated 2009)
- 9.AB.15
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.AB.15
- crystal system
- monoclinic crystal system
- streak color
- white
- IMA Mineral Symbol
- Epr
- chemical formula
- PbCa₂(ZnSiO₄)₃
- Strunz 8th edition (series ID, updated)
- VIII/A.02
Sources (1)
via Wikidata · CC0