Humite and Andesine Physical Properties

Humite

Andesine

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.32

2.65-2.69

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Poor

Perfect on {001}, good on {010}

1.7 Mohs Hardness

6-6.5

1.8 Chemical Composition

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

(Na,Ca)Al_1-2Si_3-2O₈

Humite and Andesine Chemical Formula

While comparing Humite and Andesine 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 Humite and Andesine chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Humite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Humite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Humite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.