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still surviving crinoids live at great depths in the ocean unlike their extinct cousins which could also be found in shallow seas
It’s considered intermediate
has white hindwings with the border tinged with orange
similar to those of modern arthropods like insects and crustaceans
Rough Galena & Quartz Crystal Size:1-2" still surviving crinoids live atGalena is a primary mineral. Most of the lead minerals, such as Cerussite and Anglesite are secondary minerals formed from Galena. It is the most common mineral containing lead, and has been well known throughout the centuries. It is often well crystallized and forms in many interesting and distinct crystal shapes. Galena specimens may tarnish when exposed to air, becoming dull in luster. Freshly cleaved specimens exhibit a strong metallic luster, but
