Calcite and Milarite Physical Properties

Calcite

Milarite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.67-2.73

2.52-2.60

1.5 Fracture

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

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

1.6 Cleavage

Perfect on [10 1 1] three directions with angle of 74° 55

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

5.5-6

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Calcite and Milarite Chemical Formula

While comparing Calcite and Milarite 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 Calcite and Milarite chemical formula.

Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Milarite- KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Calcite and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Calcite and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Calcite and Milarite Optical Properties during the identification of gemstone. Specific gravity of Calcite is 2.52-2.60 whereas that of Milarite is 2.52-2.60.