Brookite with "Faden" Quartz bug in Amber I cannot recall a comparable

I cannot recall a comparable Bournonite from Machacamarca

creating a stunning two-tone color effect

The crystal has an interesting zone near the termination that looks like a snow-capped peak

but these crystals are found in hydrothermal tin veins where there is an absolute absence of Thorium (usually a trace element in Monazite)

or those who admire Bolivian minerals

Brookite with "Faden" Quartz bug in Amber I cannot recall a comparableA 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