Schorl : NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Mindat locality:
8.8cm x 6.4cm x 6.1cm
Photo added to mindat.org
“8.8 x 6.4 x 6.1 cm. A really unusual aqua specimen with elongated skinny blue crystals shooting every which way like darts. VERY unusual even for the Erongo Mtns which is synonymous with unusual aquamarines these days!”
Robert Lavinsky - 31st August 2007
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