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some are masquerading as dino doo
and exposure to acid chemically induces a similar tarnish in chalcopyrite
bold patterns of dark red-brown coloration is caused by iron that crept into cracks and colored the jasper before the cavities filled in with white chalcedony (quartz)
Keepers usually advise to remove food mold that may entrap mancae (baby isopods)
265g C 5
Dolomite snowflake (dolomite ps. after aragonite) Geode some are masquerading as dinoLocale: Roswell, New Mexico Approx dimensions: 1. 5 x 1" Approx weight: 93g These unusual pseudomorphs of dolomite after aragonite have earned the name snowflake because of their hexagonal shape which is often striated to give the mineral an appearance like a chunky snowflake. Pseudomorph means the mineral initially grew as aragonite, and then through geological processes the aragonite was replaced with dolomite. The new mineral will retain the shape
