Kunzite and Astrophyllite Physical Properties

Kunzite

Astrophyllite

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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

3.15-3.213.2-3.4

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Brittle, Metallic

1.6 Cleavage

1,2 prismatic

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

6-73

2 10

1.8 Chemical Composition

LiAlSi₂O₆

(K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Kunzite and Astrophyllite Chemical Formula

While comparing Kunzite and Astrophyllite 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 Kunzite and Astrophyllite chemical formula.

Chemical formula of Kunzite- LiAlSi₂O₆
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

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Kunzite and Astrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kunzite and Astrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kunzite and Astrophyllite Optical Properties during the identification of gemstone. Specific gravity of Kunzite is 3.2-3.4 whereas that of Astrophyllite is 3.2-3.4.