Mineralpedia Details for Zanazziite

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Zanazziite

Formula: Ca₂Mg₅Be₄(PO₄)₆(OH)₄·6H₂O
Crystal System: Monoclinic
Crystal Habit: Bladed, Prismatic, Columnar
Cleavage: Good, Distinct, None
Luster: Vitreous - Pearly
Color: pale olive green, dark olive green
Streak: white
Class: Monoclinic - Prismatic
Fracture: Brittle - Uneven
Hardness: 5
WebMineral: View Zanazziite
Mindat: View Zanazziite

Zanazziite from Jenipapo dist., Itinga, Minas Gerais, Brazil

Orange ball-like groups with a radial, acicular structure. Some unidentified acicular micro crystals.

Click thumbnail images for larger view.

Zanazziite from Taquaral, Itinga, Minas Gerais, Brazil

Bottle translucent green, very nicely formed Zanazziite to 1mm in clusters on Albite matrix with long, bladed Eosphorite. The old Don Cooke label identifies this specimen as Mg-Roscherite. I am assuming, based on Mindat photos, that it is Zanazziite.