Phosphosiderite and Apophyllite KF Physical Properties

Phosphosiderite

Apophyllite KF

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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

2.74-2.762.33-2.37

1 7.18

1.5 Fracture

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

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

3.5-44.5-5

2 10

1.8 Chemical Composition

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

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Phosphosiderite and Apophyllite KF Chemical Formula

While comparing Phosphosiderite and Apophyllite KF 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 Phosphosiderite and Apophyllite KF chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Phosphosiderite and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.