www.mineralcollection.eu/product/2412...
Chlorastrolite from the Central Mine, Houghton Township, Michigan, USA
Sizes between 6 mm and 8 mm
€ 20
#chlorastrolite #pumpellyite #silicates #sorosilicates #greenstarstone #michigangreenstone #isleroyalgreenstone #minerals #rocks #crystals #stones