Rhodochrosite and Watermelon Tourmaline Physical Properties

Rhodochrosite

Watermelon Tourmaline

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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

2.90-3.40

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Conchoidal, Uneven, Irregular, Conchoidal, Management Team (2012)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.5-4

7-7.5

1.8 Chemical Composition

MnCO₃

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Rhodochrosite and Watermelon Tourmaline Chemical Formula

While comparing Rhodochrosite and Watermelon Tourmaline 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 Watermelon Tourmaline chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Watermelon Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

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Rhodochrosite and Watermelon Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Watermelon Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Watermelon Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.90-3.40 whereas that of Watermelon Tourmaline is 2.90-3.40.