- Clinozoisite
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Clinozoisite
ClinozoisiteGeneral Category Mineral Chemical formula {Ca2}{Al3}[O|OH|SiO4|Si2O7] Crystal symmetry 2/m - Prismatic Identification Color colorless, green, gray, light green, yellow green Crystal system monoclinic Cleavage perfect on {001} Fracture irregular/uneven Mohs scale hardness 7 Luster vitreous Streak grayish white Diaphaneity transparent, translucent Specific gravity 3.3 - 3.4 Clinozoisite is a mineral, a complex sorosilicate of calcium and aluminium and is usually a grey green colour.
Its formula is Ca2Al3[O|OH|SiO4|Si2O7].
It was originally discovered in 1896 in Tyrol, Austria, and is so-named because of its resemblance to zoisite.
Forms a continuous solid solution series with substitution of Fe(|||) for Al(|||). Only the m3 site accepts Fe(III) readily.
References
- Mineral Handbook
- Mindat
- Webmineral data
- Nesse, William D., "Introduction to Mineralogy," (c)2000 Oxford University Press ISBN 0-19-510691-1
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