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Franklinite
Franklinite
☒

Coral
Coral
☒



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Franklinite
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Coral
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
5.05-5.22
Uneven
None
5.5-6
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
 
-
-
-
2.60-2.70
Irregular
None
3-4
CaCO 3Ulrich Henn and Claudio C.

Compare Red Gemstones

Red Gemstones

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Coral Vs Imperial Topaz
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Jadeite
Coral Vs Jadeite

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