but to find a sphere-shaped aggregate like this is exceedingly rare
Considering the millions of tons of tin ore that Bolivia has yielded
I can say with a fair amount of certainty that it is unlikely we will ever see these superb Zinkenite specimens from San Jose again
fine blue-green color prismatic crystal of Amazonite with no matrix
and this piece is crystallized on BOTH sides
Pyromorphite
(rare from Bolivia) Stibnite but to find a sphere-shapedThis specimen was collected in August of 2009 in Bolivia. On a worldwide scale, these are not the finest Pyromorphite specimens, but for Bolivia, they are wonderful unique and interesting specimens. For any of you Pyromorphite collectors out there, this is something that is very rarely offered on the open market. Several good quality, sharp, lustrous, prismatic, bright yellow green hexagonal crystals of Pyromorphite sit atop Sandstone matrix.