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Interior, Jackson Co., South Dakota, USA



Detailed Mineral List:
'Petrified Wood'
Description: Also includes palm and cycad.
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Quartz var: Agate
Formula: SiO2
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Quartz var: Carnelian
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Quartz var: Chalcedony
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Photo: © 2007 Peter Cristofono. Chalcedony from Interior, Jackson Co., South Dakota, USA
Quartz var: Jasper
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
Quartz var: Orbicular Jasper
Reference: SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"


6 entries listed.
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