Tourmaline and Phosphosiderite Physical Properties

Tourmaline

Phosphosiderite

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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

2.85-3.352.74-2.76

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Indistinct

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

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

Tourmaline and Phosphosiderite Chemical Formula

While comparing Tourmaline 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 Tourmaline and Phosphosiderite chemical formula.

Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Tourmaline and Phosphosiderite Specific Gravity

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