Natrolite

Formula: Na₂[Al₂Si₃O₁₀]·2H₂O
Mineral class: silicates
Crystal system: orthorhombic
Mohs scale: 5 - 5.5
Density (g/cm³): 2.2 - 2.4
Refractive index: 1.473 - 1.502
Cleavage: perfect
Colors: colorless, white, grey, yellowish, rose, red
Luster: vitreous - pearly
Fluorescence: yellow - orange
Pleochroism: -
Largest Natrolite: ?
Deposits: worldwide
Discovery: 1803
1st Description: 1892
Name: a combination of "natro" (for its Na content), and the Greek word "lithos" (stone)

Natrolite Mineral

Size: 7.6 x 1.2 x 1.0 cm

Origin: Bound Brook Quarry / Somerset County / New Jersey / USA

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Natrolite

Weight: 1.41 ct

Origin: Bound Brook Quarry / Somerset County / New Jersey / USA

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Natrolite Mineral

Origin: Bound Brook Quarry / Somerset County / New Jersey / USA

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Natrolite

Size: 1.92 x 0.91 cm
Weight: 5.92 ct
Origin: Canada

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Natrolite Mineral

Size: 15.5 x 9.5 x 4.2 cm

Origin: Ústí nad Labem / Bohemia / Czech Republic

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