GOYAZITE (SrAl3(PO4)2(OH)5.(H2O))
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a unknown habit 
Colour: colorless;   Lustre: unknown;   Transparency: transparent; Cleavage: perfect;   Fracture: unknown;  
Hardness - between 4.5 and: 4.5;   Density - between 3.16 and: 3.2
Dana number: 711

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