Charlesite and Hurlbutite Physical Properties

Charlesite

Hurlbutite

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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

1.792.90

1 7.18

1.5 Fracture

Irregular/uneven, Brittle, Metallic

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Perfect on {10bar10}

None

1.7 Mohs Hardness

2.56

2 10

1.8 Chemical Composition

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Charlesite and Hurlbutite Chemical Formula

While comparing Charlesite and Hurlbutite 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 Charlesite and Hurlbutite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Charlesite and Hurlbutite Specific Gravity

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