ukge_depositsmagFulgurites are a variety of the Mineraloid Lechatelierite. They are natural hollow tubes often formed when lightning strikes Quartz sand, silica, or soil and fuses it at extreme temperatures hotter than the sun. Sometimes they are referred to as 'Petrified Lightning'
These can be purchased at the following link - http://www.ukge.com/Product.aspx?ProductID=3177&strReferer=search&PPGR=0
#ukge #naturalworld #lightning
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