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Fire Agate
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Sapphire
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Gemstones
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Fire Agate
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Sapphire
Fire Agate
Sapphire
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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
-
-
-
2.60-2.64
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO 2Arthur Thomas , Gemstones (2009)
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al
2
O
3
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Brown Gemstones
Fluor buergerite
Gedrite
Goethite
Hessonite
Jacobsite
Larvikite
Magnetite
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Manganaxinite
Astrology
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Mellite
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Sapphire Vs Gedrite
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Sapphire Vs Goethite
Astrology
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Sapphire Vs Hessonite
Astrology
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