Mineralpedia Details for Artinite

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Artinite

Formula: Mg₂CO₃(OH)₂·3H₂O
Crystal System: Monoclinic
Crystal Habit: Prismatic, Radial, Encrustations
Cleavage: Perfect, Good, None
Luster: Silky
Color: white
Streak: white
Class: Monoclinic
Fracture: Uneven
Hardness: 2.5
WebMineral: View Artinite
Mindat: View Artinite

Artinite from Artinite pit, Clear Creek, San Benito Co., California, United States

A large "ball" of acicular, white or colorless Artinite crystals to 2cm in diameter. Also sprays of acicular Artinite to 1cm and white to colorless sprays of acicular crystals 8mm across on light orange Pyroaurite.

Click thumbnail images for larger view.

Artinite from Tynebottom Mine, Garrigill, Alston Moor, Cumbria, England

Large plate of thin pale-green Serpentinite covered in white Artinite needles in compact radial clusters to 1cm. Nice crystals in remarkably good shape!