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Zanazziite

Zanazziite
Category	Phosphate Mineral
Chemical formula	Ca₂(MgFe)(MgFeMnAl)₄Be(OH)₄(PO₄)₆.6H₂Oc
Identification
Molecular Weight	1,044.11 gm
Color	Pale to dark olive green
Crystal habit	Bladed, Columnar, Prismatic
Crystal system	Monoclinic
Cleavage	Good on the [100], Distinct on the [010]
Fracture	Brittle
Mohs Scale hardness	5
Luster	Vitreous - Pearly
Optical Properties	Biaxial (+)
Dispersion	r < v
Ultraviolet fluorescence	None
Streak	white
Density	2.76
Diaphaneity	Transparent to Translucent
References	^[1]^[2]

Zanazziite is a mineral, a complex phosphate with the formula Ca₂(MgFe)(MgFeMnAl)₄Be(OH)₄(PO₄)₆.6H₂O. Discovered in 1990 in Brazil, it is named after PF Zanazzi, Professor of Mineralogy, Perugia, Italy. Its color is pale to dark olive-green.

References

^ http://www.mindat.org/min-4385.html
^ http://www.webmineral.com/data/Zanazziite.shtml

Webmineral data
Mindat.org

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Encyclopedia of Chemistry

See also

References