Canari asbestos plant, Corsica
Asbestos sample
Asbestos fibres, SEM
Actinolite crystals
Asbestos veins in serpentinite
Asbestos fibres
Actinolite, Chester, Vermont, USA
Asbestos fiberschrysotile type, SEM
actinolite
緑閃石
Actinolite mineral, light micrograph
Actinolite
Actinolite, Tyringham, Massachusetts, USA
Ilmenite crystal with actinolite and quartz
Actinolite crystals with talc
Nephrite crystals
Titanite crystals in actinolite
Jadeite carved dish from China
Nephrite jade specimen
Jade sword handle
Tremolite crystals
Tremolite, New Jersey, USA.
Scolecite
Stilbite crystal group
Azurite on Chrysocolla substrate
Staurolite, twinning cross
Fibres of Amosite, brown asbestos
Anthophyllite asbestos
Diatomaceous earth quarry
Chrysotile Asbestos
Chrysotile asbestos fibers
Tremolite variety Hexagonite
Dendrites in agate
Amphibole Asbestos, Maryland, USA
Asbestos removal work
Asbestos content test in a soil sample
blue apatite
Tremolite, Tyringham, Massachusetts, USA
Tremolite, Canaan, Connecticut, USA
Yellow crystal
Raw garnet crystal
Garnet
Colourful gemstones
Micrometeorite, SEM
Tiger eye, thin section micrograph
Moss agate
Citrine crystal group
Concentric banding in agate
Tourmaline unworked stones
Leopard skin jasper close
Leopard skin jasper II
Leopard skin jasper I
Pallasite meteorite fragment
Fire Opal
Lapis lazuli, SEM
Tiger eye, polished surface
Almandine
Tourmaline on quartz
Fayalite
Tourmaline
Basalt, light micrograph
Gneiss with garnet, light micrograph
Gneiss with garnet
Quartz coated with silica
Tiger eye, light micrograph
Cut pink topaz gemstone
Axinite
Prehnite and okenite
Sample of muscovite
Chrysocolla mineral
Beryl crystals
Pink beryl crystal, SEM
Cut green Tourmaline gemstone
Cut Indicolite gemstone
Cut Cordierite (Iolite) gemstone
Cut Kyanite gemstone
Cut Pyrope gemstone
Cut Scapolite round gemstone
Cut Scapolite gemstone
Cut Spessartine gemstone
Cut Watermelon Tourmaline gemstone
Rough pinkish-red Rubellite
Rare bright green Uvarovite Garnet
Yellow-green Tourmaline rough
Trillion cut tourmaline gemstone
Cut green Paraiba Tourmaline gemstone
Cut pink Topaz gemstone
Tourmaline cross section
Barred olivine chondrule
Emerald
Agate
Chalcedony
Tourmaline crystal, thin section
Black tourmaline, SEM
Malachite and chrysocolla minerals
Amethyst crystals
Brecciated jasper
Apophyllite crystals
Fibrous crystals of riebeckite on rock groundmass
Kyanite
Vauquelinite
Lizardite in serpentine rock
Enstatite
Sample of feldspar
House demolition and asbestos removal
Chrysotile
Serpentine groundmass with chrysotile
Chrysotile in groundmass, close-up
Carnelian
Aventurine
Uncut emeralds
Asbestos warning sign
Azurite sample
Azurite
Azurite nodule
Brochantite and azurite crystals
Azurite mineral sample
Lapis lazuli crystals I
Lapis lazuli crystals II
Neptunite
Almandine close
Azurite.
Radiolarian skeleton, artwork
Radiolarian on a matchstick, macrophotograph
Radiolarian, light micrograph