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Iddingsite
☒
Demantoid
☒
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X
Iddingsite
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Demantoid
Iddingsite
Demantoid
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
-
-
-
2.5-2.8
-
{???} Perfect
3
MgO.Fe2O3.3SiO2•4(H2O)
-
-
-
3.77-3.95
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Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Compare Brown Gemstones
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Brown Gemstones
Jet lignite
Vlasovite
Vesuvianite
Pyrrhotite
Mottramite
Kutnohorite
Radiolarite
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Chromite
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Petrified Wood
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Demantoid Vs Vlasovite
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Demantoid Vs Vesuvianite
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Demantoid Vs Pyrrhotite
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