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and smokey quartz
creating impressive masses like this one
dynamic color palette and variety of shapes that it is prized for
The common red color is due to iron being present
Biotite on anthophyllite refers to a common geological occurrence where dark mica (biotite) crystals grow within or around fibrous anthophyllite
Golden Fern Fossil | Pennsylvania Azurite and smokey quartzThis striking fossilized fern comes from the historic Pottsville Formation, dating back to the Pennsylvanian Period (~300 MYO) when vast coal swamps covered much of ancient Earth. The frond impressions display a rare golden coloration, caused by natural mineralization that highlights the delicate structure of the plant. This item is 6 x 5. 5 and weighs 28. 35 oz
US$ 45.00
US$ 139.50
US$ 26.99
US$ 139.50
