Azurite on Chrysocolla substrate
Azurite
Azurite nodule
Chrysocolla mineral
Malachite & Azurite I
Malachite & Azurite II
Azurite sample
Malachite and chrysocolla minerals
Azurite crystals
Chrysocolla
Chrysocolla, macrophotograph
Scolecite
Azurite, an ore of Copper
Stilbite crystal group
Chrysocolla with azurite
Forms of copper ore
Open cast copper mining in Arizona
Azurite in Limonite Groundmass
Azurite in host rock
Azurite and malachite
Azurite.
Chrysocolla, Arizona, USA
Brochantite
Concentric banding in agate
Almandine
Almandine close
Chrysocolla, a minor ore of Copper
Apophyllite crystals
Manganite
Malachite globular precipitate
Staurolite, twinning cross
Crystal Healing Stone Azurite
Azurite crystals, SEM
Brochantite and azurite crystals
Magnetite and calcite
Sphalerite & chalcopyrite
Raw garnet crystal
Tourmaline crystal, thin section
Tourmaline
Tourmaline on quartz
Axinite
Beryl crystals
Rough pinkish-red Rubellite
Rare bright green Uvarovite Garnet
Quartz coated with silica
Botryoidal malachite
Polished slab of Malachite
Malachite
Spherical concretions of radiating azurite crystals
Prehnite and okenite
Microcline mineral
Ruby in zoisite
Feldspar and quartz
Steatite (soapstone)
Azurite and malachite deposits
Arsenopyrite
Cerrusite
Barite on Cerusite I
Barite on Cerusite II
Barite on Cerusite, close
Siderite and calcite
Pink beryl crystal, SEM
Metal hydroxides
藍銅鉱
Chalcosite
Cuprocassiterite in quartz mica schist
Native copper
Tourmaline unworked stones
Tourmaline cross section
Pallasite meteorite fragment
Calcium carbonate precipitation
Smithsonite
Amethyst crystals
Native gold on quartz
Zinnwaldite mineral group
Malachite and Azurite
Bournonite on Gypsum Substrate I
Bournonite on Gypsum Substrate II
Asbestos sample
Kyanite
Tetrahedrite
Twinned augite crystals
Hornblende crystals
Pyroxene crystal, thin section
Zircon crystals on host rock
Rose Quartz
Citrine
Smoky quartz
A specimen of the mineral azurite found in Eire
Raw turquoise
Vauquelinite
Hemimorphite
Turquoise on native copper I
Turquoise on native copper II
Azurite mineral sample
Lepidolite
Smithsonite encrustation
Lapis lazuli crystals I
Lapis lazuli crystals II
Crocoite
Mesolite
Galena & sphalerite on quartz substrate
Quartz crystals, SEM
Quartz crystal, SEM
Rhodonite
Galena
Pseudomorphic crystal growth
Cerussite
Stibnite
Fibrous antlerite
Microcrystalline antlerite
Chalcopyrite, SEM
Agate
Chalcedony
Cut Scapolite round gemstone
Chalcocite crystals
Brady's reagent
Azurite, New Mexico, USA
Azurite copper ore stone
Asbestos fibres, SEM
Malachite mineral sample
Quartz filled geode
Magnetite in quartz
Sphalerite on calcite
Sphalerite and pyrite
Actinolite crystals with talc
Dendritic mineral crystals
Apophyllite on calcite
Mineral deposition
Dendrites in agate
Magnetite octaheders
Mineral precipitation in agate
Covellite, thin section micrograph
Chalcopyrite and quartz crystals
Dioptase mineral sample
Fire Opal
Realgar and orpiment
Gibbsite
Sample of muscovite
Blue labradorite
Citrine crystal group