Herderite and Marialite Physical Properties

Herderite

Marialite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.022.50

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Indistinct on {110}

Distinct on {100} and {110}

1.7 Mohs Hardness

5-5.55.5-6

2 10

1.8 Chemical Composition

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

3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Herderite and Marialite Chemical Formula

While comparing Herderite and Marialite 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 Marialite chemical formula.

Chemical formula of Herderite- CaBePO 4(F,OH)Ulrich Henn and Claudio C.
Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)

Compare Colorless Gems

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Herderite Vs Milarite

Herderite Vs Kunzite

Herderite and Marialite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Herderite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Herderite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Herderite is 2.50 whereas that of Marialite is 2.50.