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geology et al
some days are pretty good
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Rock Shop
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The aragonite group of carbonates consists of aragonite, witherite, strontianite, and cerussite.Aragonite is another of the minerals that a fossils shell can change to. Some fossil samples are part aragonite and part calcite.

Witherite is found in low temperature hydrothermal veins where galena is the major ore. Strontianite is found with celestite in limestones.Cerussite is also known as white lead ore. It has the highest specific gravity of any carbonate. Now, isnt that interesting?

It is a beautiful sunny day and I think I'll go out and do some rockshop cleaning along with flower planting.

Posted by oh5/ojhoff at 10:03 AM CDT
Updated: 04/20/10 7:50 AM CDT
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