White Opal and Rhodochrosite Physical Properties

White Opal

Rhodochrosite

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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

1.98-2.503.0-3.3

1 7.18

1.8 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.9 Cleavage

Not Available

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

1.10 Mohs Hardness

5.5-6.53.5-4

2 10

1.12 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

MnCO₃

White Opal and Rhodochrosite Chemical Formula

While comparing White Opal and Rhodochrosite 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 White Opal and Rhodochrosite chemical formula.

Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Rhodochrosite- MnCO₃

Compare Blue Gemstones

White Opal Vs Idocrase

White Opal Vs Iolite

White Opal Vs Kyanite

White Opal and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.