Malachite and chrysocolla minerals
Chrysocolla mineral
Chrysocolla
Azurite on Chrysocolla substrate
Pallasite meteorite fragment
Malachite crystals, SEM
Concentric banding in agate
Twinned augite crystals
Hornblende crystals
Pyroxene crystal, thin section
Malachite
Amethyst crystals
Atacamite and malachite crystals
Malachite mineral sample
Raw garnet crystal
Tourmaline crystal, thin section
Axinite
Beryl crystals
Quartz coated with silica
Tourmaline on quartz
Apophyllite crystals
Microcline mineral
Rare bright green Uvarovite Garnet
Almandine
Banded Malachite
Tourmaline unworked stones
Pink beryl crystal, SEM
Prehnite and okenite
Tourmaline cross section
Zircon crystals on host rock
Citrine
Smoky quartz
Quartz crystals, SEM
Kyanite
Tourmaline
Scolecite
Rough pinkish-red Rubellite
Baryte and malachite
Lapis lazuli crystals I
Lapis lazuli crystals II
Fibrous malachite
Carved malachite column
Malachite covered barite
Stilbite crystal group
Agate
Chalcedony
Botryoidal Malachite on chrysocolia
Stalactitic habit of malachite
Ruby in zoisite
Quartz crystal, SEM
Azurite sample
Botryoidal malachite
Septarian nodule surface
Chrysocolla in groundmass, close-up
Feldspar and quartz
Rose Quartz
Polished slab of Malachite
Apophyllite on calcite
Zinnwaldite mineral group
Moss agate
Emerald
Blue labradorite
Malachite mineral
Sample of feldspar
Lizardite in serpentine rock
Enstatite
Chrysocolla, Arizona, USA
Polished vivid blue chrysocolla pebble
Chrysocolla, a minor ore of Copper
Yellow crystal
Black tourmaline, SEM
Lapis lazuli, SEM
Sample of muscovite
Gneiss with garnet, light micrograph
Gneiss with garnet
Fire Opal
Labradorite
Septarian nodule
Turquoise mineral
Citrine crystal group
Azurite
Chrysocolla specimen
Chrysocolla, macrophotograph
Fluorite in dolomite
Neptunite
Botryoidal Malachite
Malachite Stalactite
Polished Chrysocolla cabochons
Malachite, Arizona, USA
Aventurine
Uncut emeralds
Malachite and Azurite
Malachite-based mineral deposit
A sample of malachite
Malachite and adamite
Cornetite mineral on chrysocolla
Chrysocolla with azurite
Desert rose barite
A specimen of the mineral malachite
Smithsonite
Cut Kyanite gemstone
Prehnite mineral
Cross-section slice of Brazilian agate
Cut Watermelon Tourmaline gemstone
Yellow-green Tourmaline rough
Trillion cut tourmaline gemstone
Cut green Paraiba Tourmaline gemstone
Crenulation cleavage in calcite
Calcite globules
Fluorapatite crystal, SEM
Calcite crystals
Coral calcite crystals
Silver crystals in calcite
Brazilianite crystals in calcite
Magnetite and calcite
Aragonite crystals
Aragonite crystals with sulphur
Flos-ferri aragonite
Pseudomorphic crystal growth
Calcite crystal
Calcite
Gypsum stone
Graphite on calcite crystals
Cut and polished septarian nodule
Pink calcite crystals
Zincite in fraklinite
Quartz encrusted calcite crystals
Calcium carbonate precipitation
Macrophotograph of crystals of calcite
Calcite crystal group