This 5.8 lbs top quality Large Septarian druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as wel...

This 17.5 lbs top quality large Septarian druzy geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as we...

This 4.8 lbs top quality Large Septarian druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as wel...

This 5.8 lbs top quality Large Septarian druzy Geode Egg from Madagascar features an exposed area lined with dazzling druzy quartz crystals, as wel...

This premium Septarian geode sphere features a stunning exposed area adorned with glittering druzy quartz crystals, while its reverse side is exper...

This premium Septarian geode sphere features a stunning exposed area adorned with glittering druzy quartz crystals, while its reverse side is exper...

AAA quality Septarian Heart with an exposed area lined with scintillating druzy quartz crystal. The back side has been hand polished to a smooth hi...

The pallasites are a class of stony–iron meteorite. It consists of centimeter-sized olivine crystals of peridot quality in an iron-nickel matrix. C...

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

From Xiaoqinggou, Datong, Shanxi, China Sculptural formation of twisted wire-crystals of native silver (naturally occurring silver crystals) with ...

From Calumet-Hecla Mine, Houghton County, Michigan Sharp specimen of irregular native silver crystals with some areas still filled with country roc...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

Skutterudite from Arbhar Bei Mine, Bou Azzer, Djebel Sarrho, Dades, Morocco Bright metallic skutterudite crystals with white calcite matrix. The sk...

This top quality, polished Selenite charging tower carved from Moroccan Selenite.  Its exquisite shape and smooth, flawless white color evokes the ...

Top AAA-quality Small Selenite Castle from Morocco. Beautifully shaped, white color that just simply reminds you of snow. Selenite is a crystalli...

Top AAA-quality Small Selenite point from Morocco. Beautifully shaped, white color that just simply reminds you of snow. Selenite is a crystalliz...

An incredible (Mesobuthus martensii) Scorpion, displayed in a block of lucite  - clear enough to be used under a microscope. You can explore...

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