Phosphosiderite and Milk Opal Physical Properties

Phosphosiderite

Milk Opal

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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

2.74-2.761.98-2.50

1 7.18

1.5 Fracture

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

Conchoidal

1.6 Cleavage

{010} Perfect, {001} Distinct

Not Available

1.7 Mohs Hardness

3.5-45.5-6.5

2 10

1.8 Chemical Composition

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

Not Available

Phosphosiderite and Milk Opal Chemical Formula

While comparing Phosphosiderite and Milk Opal 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 Milk Opal chemical formula.

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

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Phosphosiderite and Milk Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Milk Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Milk Opal Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 1.98-2.50 whereas that of Milk Opal is 1.98-2.50.