Nickeline and Phosphosiderite Physical Properties

Nickeline

Phosphosiderite

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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

Not Available2.74-2.76

1 7.18

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

{1010} Imperfect, {0001} Imperfect

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

Not Available

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

Nickeline and Phosphosiderite Chemical Formula

While comparing Nickeline 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 Nickeline and Phosphosiderite chemical formula.

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

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Nickeline and Phosphosiderite Specific Gravity

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