Single Pyrite Cube on Matrix from Spain green but they do have great

but they do have great color and it's a very neat specimen with the crystals protruding the quartz

This gorgeous piece has a large surface area of the opal that makes it a piece that will display very well

Deep blue azurite crystals span the face of this specimen from Laos

Measurement: 231mm x  110mm x  84mm

which in daylight (uv) it will have slight blue zoning towards the outer edges of the fluorite crystals

Single Pyrite Cube on Matrix from Spain green but they do have greatBeautiful single cube pyrite specimen from Spain. This locality's limestone matrix can dissolve in water, so the specimens matrix needs to stay dry for these pyrite cubes to stay in place. Locality: Navajn, La Rioja, Spain Measurement: Approx. 88mm x 67mm x 34mm Weight: 292g