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Phosphosiderite
Tinzenite
Tinzenite and Phosphosiderite Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
2.74-2.76  
3.355-3.433  
Fracture
Uneven  
Uneven  
Cleavage
{010} Perfect, {001} Distinct  
{???} Good, {???} Good  
Mohs Hardness
3.5-4  
-9999  
Chemical Composition
Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)  
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)  
Optical Properties >>
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