Fluorite --- Minerva Mine, Hardin Co., Illinois, USA
Opal veins
Veszelyite crystals
Cyanotrichite from Qinglong Mine, China.
Realgar on Stibnite - Baia Sprie, Maramures Co, Romania
Titanium on quartz.
Azurite Bisbee, warren District, Mule Mts., Cochise Co. Arizona, USA
PYRITE WITH QUARTZ Spruce Claim, Goldmyer Hot Springs, King Co., Washington, USA
A nice big split of Boulder Opal........Bill Kasso
Galena & Chalcopyrite, Septemvri mine Madan ore field, Bulgaria
Vesuvianite var. Manganoan
Rhodochrosite, quartz, and chalcopyrite
Introduction to Minerals Chart
International Minerals #16 - Anton Watzl Minerals
Blue Aqua Aura Crystal Quartz Cluster ~ CZ61201
Corundum | #Geology #GeologyPage #Mineral Localty:Umba River (Umba Valley) Tanga Region Tanzania Size: 3.0 x 2.5 x 5.5 cm Photo Copyright MIM Museum Geology Page www.geologypage.com