DEHRNITE (6CaO.(Na,K)2O.2P2O5.H2O)
Class: phosphate
Rarity: Very Rare Crystal:  crystal with a fibrous bladed habit 
Colour: white;   Lustre: unknown;   Cleavage: perfect;   Fracture: unknown;  
Hardness - between 5 and: 5;   Density - between 3.04 and: 3.04
Dana number: 703

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