Phosphosiderite and Cinnabar Physical Properties

Phosphosiderite

Cinnabar

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1 Physical Properties

1.1 Tenacity

Not Available

Slightly sectile

1.2 Solubility

Not Available

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

2.74-2.762

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

{010} Perfect, {001} Distinct

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

3.5-42-2.5

2 10

1.8 Chemical Composition

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

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Phosphosiderite and Cinnabar Chemical Formula

While comparing Phosphosiderite and Cinnabar 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 Cinnabar chemical formula.

Chemical formula of Phosphosiderite- Fe3+ PO 4 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Phosphosiderite and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phosphosiderite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phosphosiderite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Phosphosiderite is 2 whereas that of Cinnabar is 2.