CHI177jr Chinese Agate, Middle-Class Mine Kowallabe The spots are formed through

The spots are formed through devitrification when molecules within glass (which has no crystal structure) change their structure and crystallize

Spark the interest of a young budding paleontologist with this First Rock & Mineral Collection

You will receive a lamp similar to the one pictured

By: Judy Hall

CHI177jr Chinese Agate, Middle-Class Mine Kowallabe The spots are formed throughThis is a polished specimen featuring yellow, pink, purple, and orange agate. 3. 8 cm x 5. 3 cm 0. 34 lbs Agates from the Middle Class mine show a broad range of colors including red, yellow, purple, brown, blue, and black. Agates from the Middle Class mine also often contain druzy pockets with hematite and calcite crystals. Agates from this mine also contain a higher percentage of heat and stress fractures from the mining process and are considered