Staurolite twins at 60° (mineral), France3D ModelNoAI
Staurolite twins at 60° (mineral), France
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More model informationLocality: Armorican Massif, Bretagne, France
No.: 5784
Size: 3 cm x 2 cm x 2 cm
Formula: Fe(II)2Al9Si4O23(OH)
Description: Staurolite is a reddish-brown to black nesosilicate mineral that crystallizes in the monoclinic system, has resinous to vitreous luster. It is also known as cross-stone; fairy stone; grenatite; staurotide. From Greek stauros, cross, alluding to the cruciform twins it displays in some cases. Staurolite is commonly found as 60° twins, and less common as 90° cruciform twins.
Website: http://geology.uaic.ro/muzee/mineralogie/
Concept & 3D-modelling by dr. Andrei Ionut APOPEI
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