Benitoite BaTi(Si3 O9) (bluish) with Neptunite Na2 KLi(Fe2+,Mn2+)2 Ti2(Si8 O2) (black), Dallas Gem Mine, San Benito River headwaters, San Benito County, California. Ex Renaud Vochten
Benitoite BaTi(Si3 O9) (bluish) with Neptunite Na2 KLi(Fe2+,Mn2+)2 Ti2(Si8 O2) (black), detail, Dallas Gem Mine, San Benito River headwaters, San Benito County, California
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