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Herderite
Herderite

Spessartine
Spessartine



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Herderite
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Spessartine

Herderite and Spessartine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
 
-
-
-
4.12-4.18
Conchoidal
{???} Distinct
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Herderite and Spessartine Chemical Formula

While comparing Herderite and Spessartine 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 Spessartine chemical formula.

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Herderite and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite Vs Spessartine during the identification of gemstone. Specific gravity of Herderite is whereas that of Spessartine is .