
Specimen
Galaxy Cluster
Chalcedony that grew outward in rings instead of points, then finished with a crust of tiny sparkling quartz crystals. Sliced across, the growth bands circle a center like something seen through a telescope.
Photographed, not listed for sale yet.
This piece gets a price when it is ready to sell.
- Hardness
- Mohs 6.5-7
- Crystal system
- trigonal, microcrystalline
- Family
- botryoidal chalcedony
- Luster
- waxy, with a druzy crust
- Streak
- white
- Cleavage
- none
Where chalcedony is found in the field, on the rockhounding map