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Ludlamite
Sunstone
Sunstone and Ludlamite Physical Properties
Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.1-3.2
2.62-2.65
Fracture
-
-
Cleavage
Vitreous, pearly on cleavage
001
Mohs Hardness
3-4
6
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Microcline: KAlSi
3
O
8
Oligoclase: (Na,Ca)Al
1-2
Si
3-2
O
8
Optical Properties >>
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