Brookite with "Faden" QuartzA beautiful group of thin bladed fiery auburn colored Brookite crystals with the largest measuring 1. 0 cm aesthetically flaring off sharp, lustrous, colorless Quartz crystal matrix. The Brookites are fine quality, undamaged and show gorgeous black "phantoms" which have formed attractive repeating patterns giving the piece a "tiger stripe" esque appearance. The most desirable combination association from this area is to find Brookite on Quartz, but

Brian Kosnar collection

and obtaining specimens is next to impossible because miners rarely bring out anything for sale

luster and rarity

Good Bolivian Coppers are not common on the market

With only a slight rough spot on one crystal

"This led to the discovery of Geikielite

Specimen # BOL711B278

I believe that this could be a twinned crystal only because I can see what I would call a clear reentrant angle in the middle of the crystal

This mine is probably best known for its Ferberites

rich blue-green colored single crystal with minor attached Albite (var: Cleavelandite)

This specimen hosts several sharp

they are newly mined specimens from this well-known locality