Phosphosiderite and Labradorite Physical Properties

Phosphosiderite

Labradorite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.762.69-2.72

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

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

(Na,Ca)_1-2Si_3-2O₈

Phosphosiderite and Labradorite Chemical Formula

While comparing Phosphosiderite and Labradorite 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 Labradorite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Phosphosiderite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.