Phosphosiderite and Lepidolite Physical Properties

Phosphosiderite

Lepidolite

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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

2.74-2.762.80-2.90

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} Perfect, {001} Distinct

{001} perfect

1.7 Mohs Hardness

3.5-42.5

2 10

1.8 Chemical Composition

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

Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

Phosphosiderite and Lepidolite Chemical Formula

While comparing Phosphosiderite and Lepidolite 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 Lepidolite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Lepidolite- Mg 3Si 4O 10(OH) 2Ulrich Henn and Claudio C.

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Phosphosiderite and Lepidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Lepidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Lepidolite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.80-2.90 whereas that of Lepidolite is 2.80-2.90.