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Botryoidal Goethite #07


Price: $24.95

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Nice Botryoidal Goethite specimens are rare. This beautiful botroidal specimen #7 comes from near Taouz, Morocco. It is 1.5 inches long, 1.5 inches wide and about 1 inch thick.

Goethite is an iron oxide-hydroxide mineral that has been known and used by people since ancient times. Many thousands of years ago it was used to make pigments. The famous cave paintings of Lascaux, France used goethite to make lifelike paintings of ice age animals. Today it is used as an iron ore. It comes in many crystalline forms, radial acicular, and botryoidal as well as stalactitic, massive and encrustations.

Mineral Properties of Geothite

Chemical formula: Iron Oxide-Hydroxide aFeO(OH)
Color(s): reddish to dark brown or black
Streak: brown, brownish yellow to orange yellow
Luster: Admantine
Transparency: Opaque
Crystal system: Orthorhombic
Specific Gravity: 3.3-4.3
Hardness (Mohs): 5 - 5.5
Cleavage: Perfect
Fracture: Uneven to splintery
Uses: iron ore, pigment, collectable mineral
Location: World Wide Distribution

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