Mineral epimorphosis I
Mineral epimorphosis II
Rhodochrosite and pyrite
Pseudomorphic crystal growth
Cube-forming galena, close-up
Analcime crystal group
Cubic perovskite crystals in groundmass
Galena
Cluster of pyrite cubes
Chalcopyrite
Stone cube
Iron pyrite cubic crystals in matrix, collected at Mina Victoria, Navajun La Rioja, Spain
Chalcopyrite and quartz crystals
Andradite
Pyrite on quartz
Quartz and pyrite
Fluorite crystal specimen
Chalcopyrite mineral
Hessonite
Spinel in Schist
Wulfenite crystals
Halite hopper crystals
Fluorite crystals
Iron pyrite crystals
Orange crystal
Periklin crystals
Grossular
Fluorite and barite crystals
Fluorite
Barite and chalcopyrite crystals
Glass and marble shapes
Twinned fluorite crystals
Blue John specimen
Fluorspar crystals
Slate with pyrite
Cobaltite and chalcopyrite crystals
Tetrahedrite with Quartz and Chalcopyrite
Fluorite mineral
String of pyrite cubes
Pyrite cubes in host rock
Quartz crystals
Smoky quartz crystals
Quartz coated with silica
Sample of rose quartz
Calcite crystals and Chalcopyrite
Pyrite crystals.
Quantum mechanics, artwork
Light reflection
Moh's Hardness Scale
Fluorite crystals on quartz, close up
Chalcopyrite, SEM
Jasper
Iris agate
Fairburn agate
Union road agate
Lysite agate
Moss agate
Lake Superior agate
Paint rock agate
Agatised coral
Paul Bunyon plume agate
Siam Siding agate
Plume agate
Fourth of July Butte agate
Agate
Pompon agate
Regency rose agate
Blue Bed thunder egg agate
Priday plume agate
Antelope agate
Sweet home agate
Coyamito agate
Bubble lace agate
Condor agate
Sweetwater agates
Sagenitic agate
Montana moss agate
Frieda thunder egg agate
Succor Creek thunder egg agate
Oregon Beach agates
Omineca agate
Crater agate
Ocean jasper agate
Queensland agate
1888 colour lithograph of minerals
Jasper breccia rock
Botryoidal chalcedony, close-up
Pair of dice
Dolomite mineral
Sphere cone cube
Copper
Blue John vase
Cubic fluorite
Purple fluorite crystals
Rose quartz mineral, artwork
Unakite mineral stone
Haematite mineral rock
Agate mineral rock cross section
Glass shapes
Cube of metal and sand pit
Marble cube
Rose quartz gemstones
Feldspar and quartz
Malachite-based mineral deposit
Assortment of Gemstones
Carnelia
leopard skin
Red Jasper
rose quartz
Fluorite in dolomite
Tourmaline crystals in quartz
Quartz porphyry rough
Pyrite interspersed with quartz
Eiswurfel Steine aus Granit
Stone blocks laid in a circle on the shape
Galenite and marcasite
流氷,オホーツク海,国交省,東京航空局認可済
木のキューブ
ピラミッド形に積んだ青いアクリルキューブ
青アクリルキューブと空中に浮く赤アクリルキューブ
積み上げた青アクリルキューブ群と赤アクリルキューブ
積み上げた青アクリルキューブ群
縦に積み上げた青アクリルキューブと黄アクリルキューブ
縦に積み上げた青アクリルキューブと赤アクリルキューブ
立方体
Fossils in jasper stone
Geode, thin section micrograph
Blue geode
Rose quartz crystals, SEM
Amethyst
Quartz nodule, polarised light micrograph
Blue lace agate
Blue fluorite
Calcite crystals, SEM
Platonic solids
Iron pyrite crystal, SEM
Chalcopyrite specimen
Childrenite crystal in quartz
Anatextite gneiss
Rhodochrosite mineral
Optical glass cube
Optical glass cubes