Nosean and Anhydrite Physical Properties

Nosean

Anhydrite

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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

2.30-2.402.90-2.98

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{110} Perfect

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

1.7 Mohs Hardness

Not Available3.5

2 10

1.8 Chemical Composition

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Nosean and Anhydrite Chemical Formula

While comparing Nosean and Anhydrite 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 Nosean and Anhydrite chemical formula.

Chemical formula of Nosean- Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Blue Gemstones

Nosean Vs Pleonaste

Nosean Vs Phosphosiderite

Nosean Vs Powellite

Nosean and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Nosean is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.