Dallasite and Phosphosiderite Physical Properties

Dallasite

Phosphosiderite

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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

2.58-2.912.74-2.76

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{010} Perfect, {001} Distinct

1.7 Mohs Hardness

6.5-73.5-4

2 10

1.8 Chemical Composition

Not Available

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

Dallasite and Phosphosiderite Chemical Formula

While comparing Dallasite and Phosphosiderite 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 Dallasite and Phosphosiderite chemical formula.

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

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Dallasite and Phosphosiderite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dallasite and Phosphosiderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dallasite and Phosphosiderite Optical Properties during the identification of gemstone. Specific gravity of Dallasite is 2.74-2.76 whereas that of Phosphosiderite is 2.74-2.76.