400G New Discovery Sumatra Extreme Rare Dumortierite Rough Blue Mineral Specimen For Sale

DUMORTIERITE

MINERAL : DUMORTIERITE

COLOR : DEEP TO PALE BLUE, WHITE, PINKISH, GREENISH

LUSTER : VITREOUS

CRYSTAL : ORTHOROMBIC

HARDNESS : 7.5 – 8.5 MOHS

DENSITY : 3.21 – 3.22

RI : 1.61 – 1.67

LOCATION : BENGKULU PROVINCE, SUMATERA, INDONESIA

GEOLOGY : FOUND IN THE FORM OF FRACTURE FILLINGS OR PEGMATITE VEINS

AGE : CRETACEOUS (65 – 145 MILLION YEARS AGO)

NOTE : THIS VERY RARE MINERAL WAS NOT KNOWN IN INDONESIA BEFORE, ALTHOUGH

THERE HAVE BEEN MANY ON THE INTERNET WITH THE NAME BLUE ICE

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