Microcline (var: Amazonite) on Albite (var: Cleavelandite) Sphalerite lustrous and GEMMY the crystals

lustrous and GEMMY the crystals are

the crystals are included with an unknown blackish mineral (probably Jamesonite) to create an eye-catching two-toned effect

This piece has some of the largest individual crystals of Wavellite that I have seen from Bolivia

This piece features several superb

Microcline (var: Amazonite) on Albite (var: Cleavelandite) Sphalerite lustrous and GEMMY the crystalsThis miniature sized specimen features a few sharp, well formed, rich blue green colored prismatic Amazonite crystals with unusually etched altered reddish brown sections on the terminations. The Amazonites are sitting on a matrix of crystallized white Albite (var: Cleavelandite) "rosettes". The terminations on the Amazonite crystals are rare in my experience and make for a lovely color contrast. Collected by my maternal grandfather, Dave Bergman in