Rhodochrosite and Milarite Physical Properties

Rhodochrosite

Milarite

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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

3.0-3.3

2.52-2.60

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

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

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

{0001} Imperfect, {1120} Imperfect

1.7 Mohs Hardness

3.5-4

5.5-6

1.8 Chemical Composition

MnCO₃

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

Rhodochrosite and Milarite Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Milarite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
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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Rhodochrosite and Milarite Specific Gravity

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