Cassiterite and Phosphosiderite Physical Properties

Cassiterite

Phosphosiderite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.86-7.032.74-2.76

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular

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

1.6 Cleavage

{100} imperfect, {110} indistinct; partings on {111} or {011}

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Cassiterite and Phosphosiderite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Phosphosiderite chemical formula.

Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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Cassiterite and Phosphosiderite Specific Gravity

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