Phosphosiderite and Chalcedony Physical Properties

Phosphosiderite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.76

2.55-2.70

1.5 Fracture

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

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

{010} Perfect, {001} Distinct

Absent

1.7 Mohs Hardness

3.5-4

6.5-7

1.8 Chemical Composition

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

SiO₂

Phosphosiderite and Chalcedony Chemical Formula

While comparing Phosphosiderite and Chalcedony 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 Chalcedony chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Chalcedony- SiO₂

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Phosphosiderite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.