Spodumene and Anthophyllite Physical Properties

Spodumene

Anthophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.21

2.9-3.5

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

{110} Perfect, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

6-7

5.5-6

1.8 Chemical Composition

LiAlSi₂O₆

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Spodumene and Anthophyllite Chemical Formula

While comparing Spodumene and Anthophyllite 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 Spodumene and Anthophyllite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Spodumene and Anthophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Anthophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Anthophyllite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.9-3.5 whereas that of Anthophyllite is 2.9-3.5.