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Quartz and Pyrite from 9th September mine madan ore field rhodope mts smolyan oblast Bulgaria
Creedite from MexicoSize-3
7cm x 4cmWeight-231gYou will receive the item in the photo
Aegirine In Synite From Bratthagen Larvik South Norway
Fluorite forms in several geological environments
Pyrolusite Quartz and Pyrite from 9thPyrolusite from Atlas Mountains Morocco Size 6cm x 5cm x 4. 7cm Weight 293g You will receive the item in the photo Pyrolusite is a crucial black to steel gray colour manganese dioxide mineral. Pyrolusite belongs to the tetragonal crystal system and is an oxide mineral class. Pyrolusite forms under highly oxidizing conditions,typically in shallow marine,bog or lacustrine environments or as a secondary alteration product. It hardness is 2 6. 5 on the
US$ 247.50
US$ 185.00
US$ 247.50
