Chrysoberyl and Gedrite Physical Properties

Chrysoberyl

Gedrite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.69-3.813.15-3.259

1 7.18

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Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann

Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Mohs Hardness

8.55.5-6

2 10

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Chemical Composition

BeAl ₂ O ₄

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Chrysoberyl and Gedrite Chemical Formula

While comparing Chrysoberyl and Gedrite 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 Chrysoberyl and Gedrite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Gedrite- (Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Green Gemstones

Chrysoberyl Vs Datolite

Chrysoberyl Vs Demantoid

Chrysoberyl Vs Dioptase

Chrysoberyl and Gedrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Gedrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Gedrite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.15-3.259 whereas that of Gedrite is 3.15-3.259.