Kambaba Jasper, Tumbled Stone, 1 lb lot Black Tourmaline Smaller rough pieces also available

Smaller rough pieces also available

They may be more accurately described as "Orthoceratidae" to include other genus

and the last three images show examples of cut and polished Cold Mountain Thunderegg specimens

It's an indispensable reference for crystal lovers everywhere

249 kg / 0

Kambaba Jasper, Tumbled Stone, 1 lb lot Black Tourmaline Smaller rough pieces also availableKambaba Jasper, widely believed to be a stromatolite (similar to fossilized algae), is actually a rhyolite found in volcanic rock. It has a solid medium to forest green background, with black circular formations caused by amphibole needles. This material comes from Madagascar, and takes a nice polish. 1 lb lot contains 20 30 pieces of approximately 1" fully tumbled stone