Inyoite

Inyoite

Infobox mineral
name = Inyoite
category = Monoclinic
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formula = Ca(Hsub|4Bsub|3Osub|7)(OH)middot4Hsub|2O
molweight =
color = Colourless, white on dehydration.
habit =
system =
twinning =
cleavage = Distinct/Good
fracture = Irregular/Uneven
tenacity =
mohs =
luster = Vitreous
polish =
refractive = nα = 1.495 nβ = 1.505 - 1.512 nγ = 1.520
opticalprop =
birefringence = Maximum δ = 0.025
dispersion = weak
pleochroism =
fluorescence=
absorption =
streak =
gravity =
density = 1.875 g/cmsup|3
melt =
fusibility =
diagnostic =
solubility =
diaphaneity =
other =
references = http://www.mindat.org/min-2036.html

Inyoite, named after Inyo County, California, where it was discovered in 1914 is a colourless monoclinic mineral. Its chemical formula is Ca(Hsub|4Bsub|3Osub|7)(OH)middot4Hsub|2O. It turns white on deydration.

ources

*http://www.mindat.org/min-2036.html


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