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Spinel
☒
Poudretteite
☒
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Gemstones
Gems for Taurus
Gems for Gemini
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Organic
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X
Spinel
X
Poudretteite
Spinel
Poudretteite
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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
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl
2
O
4
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Compare Gems for Scorpio
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Spinel Vs Malachite
Spinel Vs Jasper
Gems for Scorpio
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Fluorite
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Poudretteite Vs Rhodochrosite
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Poudretteite Vs Ruby
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Poudretteite Vs Opal
Astrology
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