queitite
Sign in to saveAlso known as IMA1978-029
Queitite is a lead zinc silicate sulphate that was named after the mineral dealer Clive S. Queit, who collected the first specimens. It got approved by the IMA in 1979, and it is an extremely rare secondary mineral.
Wikidata facts
- Subclass of
- sorosilicates
- Image
- Queitite.jpg
Show 6 more facts
- Commons category
- Queitite
- crystal system
- monoclinic crystal system
- Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
- 9.BF.20
- Nickel-Strunz 9th edition (updated 2009)
- 9.BF.20
- IMA Mineral Symbol
- Que
- chemical formula
- Zn₂Pb₄(Si₂O₇)(SiO₄)(SO₄)
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Encyclopedic overview
3 sectionsContents
- Properties
- Localities and occurrences
- References
{{Infobox mineral|boxbgcolor=#cccccc|image=Queitite.jpg|formula=Pb4Zn2(SO4)(SiO4)(Si2O7)|IMAsymbol=Que|strunz=9.BF.20|system=Monoclinic|dana=58.1.3.1|class=Sphenoidal H-M Symbol: 2|symmetry=P21|unit cell=719.46|color=Colorless, White, Pale Yellow|twinning={100} and {001}|cleavage=Indistinct on {010} and {001}|mohs=4|luster=Greasy|opticalprop=Biaxial (+)|refractive=nα = 1.899(4) nβ = 1.901 nγ = 1.903(4)|birefringence=0.004|2V=Measured: 90° Calculated: 88°|dispersion=Extreme r 4Zn2(SO4)(SiO4)(Si2O7)}}
Queitite is a lead zinc silicate sulphate that was named after the mineral dealer Clive S. Queit, who collected the first specimens. It got approved by the IMA in 1979, and it is an extremely rare secondary mineral.
Excerpted from Wikipedia’s “queitite” article, available under the CC BY-SA 4.0 licence.