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heulandite crystals. From India. photography isolated on black background. macro detail close-up rough raw unpolished semi-precious gemstone.
A bunch of different types of cauliflowers are on a glass table. A collection of minerals from the sea. A stone with the word quartz on it. High quality photo
Crystal raw ore
Beautiful calcite yellow and green crystals in cluster
isolated Rock Salt
Hematite crystal background.
Colemanite
desert rose from the Tunisian Sahara isolated on white background
Orthoclase, or orthoclase feldspar (KAlSi3O8), is an important tectosilicate mineral which forms igneous rock. The close-up image shows several Orthoclase crystals.
Transparent crystal of Selenite isolated on dark background
Mountain crystal tower
Macro mineral stone Selenite Gypsum on a black background close up
Triangle calcite crystal cluster from Turkey.\nCalcite is a mineral name and the chemical structure of this mineral, called carbonate rocks, is CaCO3. It is found in crystal form in various shapes (crystallizes as rhomboid, scalenoeder) and has a glassy, ​​colorless and transparent structure. It is easily ground and a white powder is obtained. Its hardness is 3 on Moh's scale and its density is 2.6-2.7.
Pure Quartz Crystal cluster on black background
Tourmaline embedded on a quartz crystal isolated on the black background.
Quartz Crystals
Aragonite mineral specimen with exquisite crystals
calcite from Zafarraya, Spain isolated on white background
Studio shot on black background
gypsum mineral isolated on the black background
Boron Mineral
Selenite mineral
Close up of halite (rock salt, sodium chloride) crystals with cubic crystal structure. Image is about 4 inches (10 cm) across. When ground, halite is used for such things as road salt and table salt. This sample is from the Hutchinson Salt Mine, Hutchinson, Kansas, USA.
Gypsum isolated on black. Sulfate mineral composed of calcium sulphate, used as plaster and blackboard chalk. Alabaster, has been used for sculpture by many ancient cultures.
chinese medicine Concha Margaritiferallsta on black background
Kyanite on  Quartz Disthene
Topaz
Selenite (or satin spar) mineral from Spain isolated on a pure black background
Beautiful giant quartz crystal shining light
Free Images: "bestof:USFWS selenite.jpg Selenite crystals http //www fws gov/southwest/refuges/saltplains/selenite html http //en wikipedia org/wiki/File Cluster jpg date US Fish"
RobertCornelius.jpg
Laura_Bush_NYSE_2006.jpg
Willamette valley fenders blue butterfly icaricia icarioides fenderi.jpg
Delhi sands flower loving fly rhaphiomidas terminatus abdominalis.jpg
Aerial shot of the San Diego border.jpg
Summer_Lake_Wildlife_Refuge,_Oregon_(sandhill_cranes).jpg
Silver back gorilla - Gorilla beringei.jpg
Florence_Owens_Thompson_montage_by_Dorothea_Lange.jpg
Sunflower_USFWS.jpg
Rothirsch_nam.jpg
LongnoseSucker.jpg
Impala-männlich.jpg
Phalaropus_fulicarius_1.jpg
Phalaropus_fulicarius_2.jpg
Impala-weiblich.jpg
Phalaropus_lobatus_3.jpg
Phalaropus_lobatus_5.jpg
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Cynomys_ludovicianus_2.jpg
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Pedicularis_furbishiae.jpg
Rentier_fws_3.jpg
Cynomys_ludovicianus_retuschiert.jpg
Isotria verticillata USFWS-1.jpg
Girl scouts in nature.jpg
Phrynosoma hernandesi short horned lizard.jpg
Platanthera ciliaris FWS-1.jpg
Church in winter scenic.jpg
Bufo_periglenes2_cropped.jpg
Lunch on a wing.jpg
USFWS people holding Canada geese.jpg
False foxglove flower aureolaria flava.jpg
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Girl scouts help replant trees.jpg
Permanent wooden structure used for wildlife observation.jpg
Trout cutthroat fish oncorhynchus clarkii clarkii.jpg
Cave basalt formation.jpg
Wooden signpost at the crossroads.jpg
Girl scouts in frog survey.jpg
Volcanic crater at Ingakslugwat hills.jpg
Volcano eruption geology picture.jpg
Gabelbock_fws_1b.jpg
Scammon bay village.jpg
Endangered moapa dace fish moapa coriacea in an aquatic environment.jpg
Digging an airplane out of the snow.jpg
Natural areas stone formation.jpg
HEUraniumC.jpg
The_endangered_gray_wolf_canis_lupus.jpg
Clothes on line at winter.jpg
Judges take a close look at the entries for the 2011 Federal Junior Duck Stamp Contest.jpg
Plane crew in front of plane history photo.jpg
Aleutian church.jpg
Seaplane in shallows along an alaskan sandbar.jpg
Gilbert_Stuart_-_Catherine_Brass_Yates.jpg
Gristmill_Hopper_1938.gif
Paul_Gauguin_-_Self-Portrait_with_Halo_and_Snake.jpg
Queen_Wilhelmina2.jpg
Tuskegee_airmen_2_original.jpg
Whetstone_Square_1939.jpg
Jacques-Louis_David_006.jpg
Lewis_Hine_Power_house_mechanic_working_on_steam_pump.jpg
Eugène_Delacroix_-_La_liberté_guidant_le_peuple.jpg
Klapperschlangen_rivalen.jpg
California_Gnatcatcher.jpg
Rhadinaea_flavilata.jpg
Polemonium vanbruntiae FWS-2.jpg
American goldfinch.jpg
King_Eiders.jpg
Polythemusmoth.jpg
V train Ramsgate.jpg
TinicumNWR.jpg
Bombay_Hook_NWR_wetlands.jpg
Kanuti_Lake_Camp_Solar_power_system.jpg
Panax_quinquefolius_FWS-4x3.jpg
Orthoporus spp New Mexico.jpg
Polemonium vanbruntiae FWS-1.jpg
Observation deck on shoreline.jpg
Fish ladders.jpg
Bull_snake.jpg
Oregon_Islands_National_Wildlife_Refuge.jpg
Silene_caroliniana_FWS-2.jpg
Linum_virginianum_FWS-2.jpg
Linum_virginianum_FWS-1.jpg
Ohrid ancient theatre.JPG
Sunset Acapulco.jpg
WildlifeHamilton.JPG
Dwarf crested iris flower.jpg
Desert catchfly.jpg
Oenothera biennis FWS-00.jpg
Coreopsis major FWS-1 4x3.jpg
Female loggerhead sea turtle caretta caretta.jpg
Designated wilderness marsh with oyster beds.jpg
Lower Klamath NWR, Oregon.JPG
Lower Klamath Lake marsh.jpg
Three_Arch_Rocks_National_Wildlife_Refuge.jpg
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Oenothera_rhombipetala_FWS-01.jpg
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Clintonia_umbellulata_FWS-4x3.jpg
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