Rhodochrosite and Wood Opal Physical Properties

Rhodochrosite

Wood Opal

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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

3.0-3.31.98-2.50

1 7.18

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-45.5-6.5

2 10

1.8 Chemical Composition

MnCO₃

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

Rhodochrosite and Wood Opal Chemical Formula

While comparing Rhodochrosite and Wood Opal 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 Wood Opal chemical formula.

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

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Rhodochrosite and Wood Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Wood Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Wood Opal Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 1.98-2.50 whereas that of Wood Opal is 1.98-2.50.