Pyrite “horseshoe” with Siderite on SphaleriteThe Eagle mine is probably best known for its pyritohedral Pyrite specimens. Here we have a gorgeous display piece featuring a predominant and highly unusual archway or horseshoe shaped group of sparkling brilliant golden color Pyrite pyritohedra which are associated with additional Pyrites and sitting amongst remarkably sharp AND lustrous crystals of jet black Sphalerite with notably SMOOTH faces hardly any striations at all on many faces are gently

rove beetle (Staphylinidae) and bark beetle (Scolytinae)

I held this one back when the find was made

Specimen # BROOK31904

The crystals are virtually damage free

According to mindat

beautifully crystallized matrix specimens of Vauxite from Bolivia like this one

this is a special Cassiterite specimen

unique crystals

Specimen # BROOK31927

An incredibly large "room" of crystals was discovered

gemmy Quartz crystal matrix

This piece is a good