Phosphosiderite and Pyrophyllite Physical Properties

Phosphosiderite

Pyrophyllite

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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

2.74-2.762.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{010} Perfect, {001} Distinct

{001} Perfect

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

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

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Phosphosiderite and Pyrophyllite Chemical Formula

While comparing Phosphosiderite and Pyrophyllite 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 Pyrophyllite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Phosphosiderite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.