Sodic-ferrogedrite (rare Amphibole Group) ex. Carmichael Coll.

Kawai mine, Gifu Prefect., Honshu Island, Japan
Miniature, 4.4 x 2.4 x 1.6 cm
Start Time: 02/01/2015 6:30:00 pm (CST)
End Time: 02/05/2015 6:30:00 pm (CST)
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Item Description

Sodic-ferrogedrite is a very rare member of the Amphibole Group. Tiny, lustrous, gray-black, bladed grains comprise the spearpoint-shaped piece. "In order to better distinguish between amphibole end-member member compositions, the CNMNC has decided to rename sodic-ferrogedrite. The name is not yet (Nov 2012) decided (MINDAT)". MINDAT lists only two localities worldwide for this varietal and neither are in Japan. MINDAT does not list any gedrite varietal for the Kawai Mine. Ex Eugene Carmichael Collection. POSSIBLY VERY RARE material.

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