Phosphosiderite and Annabergite Physical Properties

Phosphosiderite

Annabergite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.763.07

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{010} Perfect, {001} Distinct

Perfect on {010}, indistinct on {100} and {102}

1.7 Mohs Hardness

3.5-42

2 10

1.8 Chemical Composition

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

Ni3(AsO4)2•8(H2O)

Phosphosiderite and Annabergite Chemical Formula

While comparing Phosphosiderite and Annabergite 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 Annabergite chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)

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Phosphosiderite and Annabergite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 3.07 whereas that of Annabergite is 3.07.