Star Sapphire and Amblygonite Physical Properties

Star Sapphire

Amblygonite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.052.98-3.10

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, Irregular/uneven, Sub-Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

[100] Perfect, [110] Good, [011] Distinct

1.7 Mohs Hardness

Not Available6

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Star Sapphire and Amblygonite Chemical Formula

While comparing Star Sapphire and Amblygonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Star Sapphire and Amblygonite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Amblygonite- (Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Blue Gemstones

Star Sapphire Vs Tourmaline

Star Sapphire Vs Verdite

Star Sapphire Vs Tortoiseshell

Star Sapphire and Amblygonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Amblygonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Amblygonite Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.98-3.10 whereas that of Amblygonite is 2.98-3.10.