Star Sapphire and Phosphosiderite Physical Properties

Star Sapphire

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

3.90-4.052.74-2.76

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

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

Star Sapphire and Phosphosiderite Chemical Formula

While comparing Star Sapphire 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 Star Sapphire and Phosphosiderite chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

Compare Blue Gemstones

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Star Sapphire Vs Verdite

Star Sapphire Vs Tourmaline

Star Sapphire and Phosphosiderite Specific Gravity

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