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Legrandite
Legrandite

Demantoid
Demantoid



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Legrandite
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Demantoid

Legrandite and Demantoid Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.98-4.043.77-3.95
Amber
1 7.18
1.5 Fracture
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Not Available
1.6 Cleavage
Imperfect, poor one {100}
Not Available
1.7 Mohs Hardness
4.5-56.5
Amber
2 10
1.8 Chemical Composition
Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Legrandite and Demantoid Chemical Formula

While comparing Legrandite and Demantoid 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 Legrandite and Demantoid chemical formula.

  • Chemical formula of Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Legrandite and Demantoid Specific Gravity

Another important criteria for qualitative analysis of gemstones is Legrandite and Demantoid Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Legrandite and Demantoid Optical Properties during the identification of gemstone. Specific gravity of Legrandite is 3.77-3.95 whereas that of Demantoid is 3.77-3.95.