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Herderite
Herderite

Demantoid
Demantoid



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Herderite
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Demantoid

Herderite and Demantoid Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.90-3.023.77-3.95
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
-

Cleavage

Indistinct on {110}
Imperfect

Mohs Hardness

5-5.56.5
2 10
👆🏻

Chemical Composition

CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Herderite and Demantoid Chemical Formula

While comparing Herderite 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 Herderite and Demantoid chemical formula.

  • Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Herderite and Demantoid Specific Gravity

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