Rhodolite and Herderite Physical Properties

Rhodolite

Herderite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.842.90-3.02

1 7.18

1.5 Fracture

Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

none, may show indistinct parting

Indistinct on {110}

1.7 Mohs Hardness

7-7.55-5.5

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Rhodolite and Herderite Chemical Formula

While comparing Rhodolite and Herderite 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 Rhodolite and Herderite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

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Rhodolite and Herderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodolite and Herderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodolite and Herderite Optical Properties during the identification of gemstone. Specific gravity of Rhodolite is 2.90-3.02 whereas that of Herderite is 2.90-3.02.