87 results for jasper rough

Agates are members of the chalcedony family. Chalcedony (kal SED' nee) is any form of microcrystalline quartz, where the crystals are too small to be seen without high magnification. However, in the...

 

Where do I find somebody to tell me what my rock or mineral is worth? The most common question I receive is some variation on “Where do I find somebody who can tell me what my rock or mineral is?”, “W

What is Rock Tumbling? Rock tumbling is a fun way of polishing multiple semiprecious gemstones simultaneously in a rock tumbler. A rock tumbler is a piece of equipment that has a plastic or rubber-lin