Carnallite and Phosphosiderite Physical Properties

Carnallite

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.62.74-2.76

1 7.18

1.5 Fracture

Violet, Conchoidal, Brittle, Conchoidal, Brittle

UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Uneven

1.6 Cleavage

None

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

2.53.5-4

2 10

1.8 Chemical Composition

KMgCl3•6(H2O)

Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Carnallite and Phosphosiderite Chemical Formula

While comparing Carnallite and Phosphosiderite 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 Carnallite and Phosphosiderite chemical formula.

Chemical formula of Carnallite- KMgCl3•6(H2O)
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Carnallite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnallite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnallite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Carnallite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.