Amblygonite and Obsidian Physical Properties

Amblygonite

Obsidian

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-3.102.35-2.60

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

65-5.5

2 10

1.8 Chemical Composition

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

Not Available

Amblygonite and Obsidian Chemical Formula

While comparing Amblygonite and Obsidian 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 Amblygonite and Obsidian chemical formula.

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

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Amblygonite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amblygonite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amblygonite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Amblygonite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.