Minerals and Meteorites and Other Geology Stuff

CROCOITE (Lead Chromate) crystals with gibbsite over growth from the Adelaide Mine in Tasmania, Australia.

QUARTZ (Silicon Dioxide) crystal cluster from Minas Gerais, Brazil.

FLUORITE (Calcium Fluoride ) crystals from Cave-In-Rock, Illinois, USA.

WULFENITE (Lead Molybdate) crystals on limonite from Ahumada, Chihuahua, Mexico.

CELESTITE (Strontium Sulfate) crystals from Bombetoka Bay, Mahajanja, Madagascar.

CAVANSITE with STILBITE from Poona, India. Blue cavansite on clear stilbite crystals.

QUARTZ (Silicon Dioxide) crystals from Brazil. Variety is smoky quartz.

CELESTITE (Strontium Sulfate) crystals from Bombetoka Bay, Mahajanja, Madagascar.

AZURITE (Copper Carbonate) crystals from the Oumjrane Mine, Alnif, Morocco, Africa.

FLUORITE (Calcium Fluoride) crystal cluster from Mexico.

AEGIRINE with Quartz / Orthoclase (Sodium-Iron Silicate) from Mount Malosa, Zomba District, Malawi. Black aegirine crystals protrude from a base of white orthoclase feldspar.

APATITE (Calcium Phosphate) from the classic location at Cerro del Mercado, Durango, Mexico.

CALCITE (Calcium Carbonate) scalenohedron crystals on dolomite from the classic Elmwood Mine, Carthage, Tennessee, USA.

EPIDOTE with PREHNITE (Calcium Aluminum Silicate) from Kayes Region, Mali, Africa.

VANADINITE (Lead Chlorovanadate) crystals.

ERYTHRITE (Hydrated Cobalt Arsenate) from the Sara Alicia Mine, Sonora, Mexico.

QUARTZ (Silicon Dioxide) crystals from Brazil. Variety is smoky quartz.