Zanazziite

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Zanazziite
Category Phosphate Mineral
Chemical formula Ca2(Mg,Fe)(Mg,Fe,Mn,Al)4Be4(OH)4(PO4)6·6H2O
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 12

Zanazziite is a mineral, a complex phosphate with the formula Ca2(Mg,Fe)(Mg,Fe,Mn,Al)4Be4(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.

See also

References

  1. ^ Zanazziite: Zanazziite mineral information and data
  2. ^ Zanazziite Mineral Data
v • d • e
Manganese minerals
Borates
Carbonates
Oxides
Simple
Mixed
Phosphates
Silicates
Sulfides
Other
Axinite (borosilicate) · Geigerite (arsenate) · Manganese nodule (various) · Zincobotryogen (sulfate)
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Wikipedia content modification information:

  • This page was last modified on 23 March 2008, at 21:17.

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