Phosphosiderite and Tantalite Physical Properties

Phosphosiderite

Tantalite

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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

2.74-2.765.2

1 7.18

1.5 Fracture

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

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect, {001} Distinct

Good in one direction

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)

(Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

Phosphosiderite and Tantalite Chemical Formula

While comparing Phosphosiderite and Tantalite 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 Tantalite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Tantalite- (Fe,Mn)Ta 2O 6Walter Schumann , Gemstones of the world (2001) More from other references

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Phosphosiderite and Tantalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Tantalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Tantalite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 5.2 whereas that of Tantalite is 5.2.