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crystallized gold in matrix from Hungary
Agate is a microcrystalline variety of quartz, chiefly chalcedony, cryptocrystalline form of silica. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks but can be common in certain metamorphic rocks. Most agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled, wholly by siliceous matter deposited in regular layers upon the walls. Cathedral Valley, Capitol Reef National Park, Utah.
Macro cubical pyrite on white matrix isolated on gray background
mica schist mineral sample under light microscopy
Close-up of naturally occurring metallic mineral lead ore
Asbestos family mineral band in geological rock sample
Details of a fragment of a quartz crystal geode
Close-up view of pyrite
Druza of large crystals of galena, with crystals of calcite and siderite
Topaz crystal isolated on the white background.
Macro mineral stone Quartz Hedenbergite Prase on ilvite on a white background close-up
Smoky quartz
Beautiful cluster of pyrite, quartz, galena, quartz pink
sunstone mineral stone sample macro photography
diamond quartz mineral specimen stone rock geology gem crystal
Granite texture background with copy space
Raw Minerals,background
Layered maroon and light speckled rock magnified.
smoky quartz from Mount Galenstock, Uri, Switzerland isolated on white background
Raw semi precious stone
Petrified wood, 20 million years old wood. Wood turned into stone
glaucophane schist mineral sample under light microscopy
natural mineral on a green background with crystal quartz crystals is a beautiful background and an abstract, macro
Galena rock specimen. The raw mineral lead sulphide with a distinct weight and shiny metalic colour in a white matrix of fluorite. The most important ore of lead and a source of silver.
close up on chalcedony agate rock specimen
Mineral Fusinus sp. Pliozän
Brazilianite mineral stone
Magnified close up of large crystal white and black granite.
silver ore on rock close up macro
Aloe vera resin, dried juice
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