Dimensions: 82x62x11 mm / 3

This is a great 30

The final step was to clean it again with pure ethyl alcohol and dry it under a heat lamp providing great looking and stable specimens

Origin: Mined in Lane Quarry

This is a superb looking individual cut fragment of the  Gold Basin meteorite weighing 24

Ammonite Rondiceras Fossil | Natural Pyritized Fossilized | Upper Jurassic | Mikhailov, Riazan Region, Russia | SO24 Sodalite Dimensions: 82x62x11 mm / 3A superb example of pyritized ammonites of the genera Kosmoceras, Quenstedticeras and others of the Callovian Stage (161 m. y. a) deposits of Russia. The high degree of preservation of natural mother of pearl shell makes it appear to be preserved as fire opal. This is a consequence of light passing through the various layers of aragonite and conchiolin deposited by the ammonite in life. The lack of acidity in the depositional environment allowed them