Dumortierite, Hematite (?) in Quartz (Ref: ST278)
Vaca Morta quarry, Serra da Vereda, Boquira, Bahia, Brazil
105mm x 70mm x 65mm
minID: VYY-W39
Large double-terminated Quartz crystal with a variety of inclusions including blue Dumortierite and bladed crystals of Hematite. Purchased at the 2021 Tucson show from a large lot of recently mined Quartz from this locality, this was one of only two crystals available with these interesting banded clay (?) inclusions. There is a blue band of Dumortierite through the center with tan colored inclusions in one termination and black metallic Hematite in both terminations. There is a little bit of contacting from other crystals around the center but in good condition overall. Unusual Quartz for a Quartz collector.From: Marin Minerals
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