Siderite and Almandine Physical Properties

Siderite

Almandine

Add ⊕

1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.83-3.893.95-4.30

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenArthur Thomas, Brittle

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

Perfect on {01 1 1}

none

1.7 Mohs Hardness

3.5-4.57-7.5

2 10

1.8 Chemical Composition

Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Siderite and Almandine Chemical Formula

While comparing Siderite and Almandine 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 Siderite and Almandine chemical formula.

Chemical formula of Siderite- Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Almandine- Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Compare Yellow Gemstones

Siderite Vs Tigers Eye

Siderite Vs Sulphur

Siderite Vs Tavorite

Siderite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Siderite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Siderite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Siderite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.