Twinned Brookite in Quartz
Twinned Brookite in Quartz from St. Gotthard, Kanton Uri, Switzerland
Collection John Betts - Fine Minerals
Description Lustrous colorless Quartz crystals up to 15 mm intergrown with translucent dark red-brown bladed Brookite crystals up to 13 mm. The Brookite crystals actually grow completely through the Quartz and are twinned on the {011} plane.
Locality St. Gotthard, Kanton Uri, Switzerland
Dimensions 4.5 x 4.0 x 2.0 cm.
Specimen Grade C
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