Edenite and Astrophyllite Physical Properties

Edenite

Astrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.373.2-3.4

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Brittle, Metallic

1.6 Cleavage

Good on (110)

Perfect on [001] imperfect on [100]

1.7 Mohs Hardness

5-63

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Astrophyllite Chemical Formula

While comparing Edenite 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 Edenite and Astrophyllite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Astrophyllite- (K,Na) 3(Fe2+ ,Mn) 7Ti 2Si 8O 24(O,OH) 7Anthony et al , Handbook of mineralogy (2001)

Compare Gems Found In Africa

Edenite Vs Agate Opal

Edenite Vs Aegirine

Edenite Vs Alexandrite

Edenite and Astrophyllite Specific Gravity

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