Datolite and Herderite Physical Properties

Datolite

Herderite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.002.90-3.02

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

None

Indistinct on {110}

1.7 Mohs Hardness

5-5.55-5.5

2 10

1.8 Chemical Composition

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Datolite and Herderite Chemical Formula

While comparing Datolite 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 Datolite and Herderite chemical formula.

Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.

Compare Green Gemstones

Datolite Vs Euclase

Datolite Vs Emerald

Datolite Vs Elaeolite

Datolite and Herderite Specific Gravity

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