particularly in hydrothermal veins where silica-rich fluids crystallize over time
Grit (Optional): 80g Medium
heavy crystal development with a soft blush to peach-pink color that gives it a very different look from the darker Dundas pieces
Shaft Diameter: 8mm Overall Length: 180mm
The chalcopyrite likely crystallized first or along early growth surfaces
Hedenbergite Quartz - Specimen steel mandrel set particularly in hydrothermal veins whereMined from: Huanggang Mines Huanggang Fe Sn deposit, in Hexigten Banner, Chifeng City, Inner Mongolia, China. Description: This one of a kind Hedenbergite mineral specimen from Mongolia, China features a dense spray of pale green grey to smoky translucent crystals rising in a radial formation from a darker brown and grey matrix. The crystals show sharp pointed terminations, glassy faces, and a soft frosted surface texture, with tiny dark mineral