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Demantoid
Demantoid

Siderite
Siderite



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Demantoid
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Siderite

Demantoid and Siderite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.77-3.953.83-3.89
1 7.18
👆🏻

Fracture

-
Uneven, Conchoidal

Cleavage

Imperfect
Perfect on {01 1 1}

Mohs Hardness

6.53.5-4.5
2 10
👆🏻

Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Siderite Chemical Formula

While comparing Demantoid and Siderite 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 Demantoid and Siderite chemical formula.

  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
  • Chemical formula of Siderite- Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Siderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Siderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Siderite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.83-3.89 whereas that of Siderite is 3.83-3.89.