Ptychopariida is a large, heterogeneous order of trilobite containing some of the most primitive species known. The earliest species occurred in th...

Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and th...

  Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and ...

Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and th...

Large, natural trilobite in its original fossil matrix. The Asaphid trilobites include some of the most extreme trilobite adaptations known, and th...

Mosasaurs are an extinct group of large marine reptiles. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meus...

Beautiful elephant statue that is hand carved from a solid piece of Amethyst. Elephants are revered symbols in many cultures, as they are the large...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

This Polished Septarian free-form from Madagascar, has a great mix of yellow calcite and brown Aragonite in a very cool design.  Septarian has a ve...

Beautiful Madagascan dendritic quartz agate freeform with an exposed cavity, lined with lustrous colorless quartz crystals. Hand polished to a mirr...

AAA-quality gem translucent polished Brazilian Rose Quartz point. This natural specimen has a light pink color and a highly-polished mirror face. ...

This top quality polished chevron amethyst point exhibits a vibrant purple hue and clarity that ranges from translucent to transparent. Chevron Ame...

Top quality polished chevron amethyst point with vivid purple color and translucent to transparent clarity. Chevron Amethyst is a combination of A...

Top quality polished chevron amethyst point with vivid purple color and translucent to transparent clarity. Chevron Amethyst is a combination of A...

Top quality polished chevron amethyst point with vivid purple color and translucent to transparent clarity. Chevron Amethyst is a combination of A...

Top quality polished chevron amethyst point with vivid purple color and translucent to transparent clarity. Chevron Amethyst is a combination of A...

A superb Brazilian Amethyst geode crystal cluster. This specimen is lined with large deep grape purple lustrous crystallized gems - transparent to ...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

Libyan Desert Glass is a substance found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt. Fragments of desert gla...

From Bou Azzer District, Anti-Atlas Mountains, Ouarzazate, Morocco Lustrous rounded cluster of vibrant pink scalenohedral calcite crystals. The cal...

AAA quality, beautiful hand-polished poppy jasper heart from India has multi-colored fissure veins and reticulated deposits. Its color and organic ...

AAA quality beautifully hand polished Howlite heart. It is an interesting-looking stone that occurs in wild nodule shapes and large blooms. It has ...