Rhodochrosite and Ulexite Physical Properties

Rhodochrosite

Ulexite

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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

1.65-1.99

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic

1.6 Cleavage

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

{010} Perfect, {110} Perfect

1.7 Mohs Hardness

3.5-4

2-2.5

1.8 Chemical Composition

MnCO₃

NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Rhodochrosite and Ulexite Chemical Formula

While comparing Rhodochrosite and Ulexite 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 Ulexite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Ulexite- NaCaB 5O 6(OH) 6 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Rhodochrosite and Ulexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Ulexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Ulexite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 1.65-1.99 whereas that of Ulexite is 1.65-1.99.