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Glass
Glass
☒

Sapphire
Sapphire
☒



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Glass
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Sapphire
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.39-4.00
-
None
4-6
SiO2
 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3

Compare Green Gemstones

Green Gemstones

Kornerupine
Kornerupine
Kyanite Cyprine
Kyanite Cyprine
Liddicoatite
Liddicoatite
Sapphire
Grossular
Sapphire Vs Grossular
Sapphire
Hayne
Sapphire Vs Hayne
Sapphire
Hemimorphite
Sapphire Vs Hemimorphite

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