Very Rare Normandite Bronzy Starburst Crystals Geology Specimen mined at Kola Peninsula, Russia for your rock and mineral collection
"Very Rare Bronzy Astrophyllite Starburst Crystal Spray in Matrix. is a very rare, brown to golden-yellow hydrous potassium iron titanium silicate mineral. Belonging to the astrophyllite group, astrophyllite may be classed either as an inosilicate, phyllosilicate, or an intermediate between the two. Astrophyllite is a titanium silicate mineral, very very rare and pretty - the best combination in my humble opinion. from the Kola Peninsula, Khibing Massif, Russia."
Kakortokite is a rare intrusive igneous rock, a rock of variable composition occurring in Greenland in black, white, and red sheets. Magmatic layering occurs in the lower portions of old magma chambers; a mixture of nepheline syenite (white), arfvedsonite (black), amphibole (red), also occasionlly sodalite and rinkite results. The red can something looks like yellow Eudialyte. It has some fluorescent properties, and can have orange spots/ blotches and some blue streaks/veins and patches. G
Faerie Magic in Minerals. (Aluminium phosphate wavellite, High Down Quarry, Filleigh, North Devon, England. Discovered by John Hill late 18th c and named for William Wavell, a local physician and mineral collector.) // photo by Dave Green