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Fluornatromicrolite from Alto Quixaba Pegmatite, Frei Martinho, Quixaba, Paraiba, Brazil (Type Locality for Fluornatromicrolite)

 
Fluornatromicrolite from Alto Quixaba Pegmatite, Frei Martinho, Quixaba, Paraiba, Brazil (Type Locality for Fluornatromicrolite)

Fluornatromicrolite from Alto Quixaba Pegmatite, Frei Martinho, Quixaba, Paraiba, Brazil (Type Locality for Fluornatromicrolite)

DESCRIPTION:No. 29655
Mineral:Fluornatromicrolite
Locality:Alto Quixaba Pegmatite, Frei Martinho, Quixaba, Paraiba, Brazil (Type Locality for Fluornatromicrolite)
Description:Single crystal of greenish-black fluornatromicrolite in white albite matrix. Fluornatromicrolite has been approved by the IMA and is awaiting publication to make it official. Formula: (Na,Ca,Bi)2Ta2O6F
Overall Size:25x20x10 mm
Crystals:3 mm
Status: Sold - Posted here for reference only
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