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Water Melon Tourmaline is a popular semi-precious Gem that used in jewelry.
Raw tourmaline crystal with all I shades of natural green and texture
colorful mineral rocks isolated on white background
Tourmaline embedded on a quartz crystal isolated on the black background.
Tourmaline crystals mineral on white background
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.
Sulfur crystals mineral specimen
Asbestos family mineral band in geological rock sample
cassiterite crystal on matrix from Panasqueira Mine, Portugal isolated on white background
Natural  Obsidian, Amethyst, Lapis, Red, Tiger Eye Tower Crystal Quartz Towers
Raw tourmaline crystal with all I shades of natural green and texture
Agate raw ore
Photography of rock collection.
Amethyst crystal isolated on the black background.
August birthstone, forsterite peridot crystal, isolated on white background
nephrite mineral stone
chrysoprase, closeup of the stone
From the mineral collection, Kobalt-Smithsonit
colorful mineral rocks isolated on white background
A closeup shot of Emerald mineral isolated on a black background
Wyoming jade isolated on white background
Geology backgrounds. Extreme close up of a pink crystal.
Sample of Archean age interbedded barite and chert with scale. Barite is mined and used for drilling mud
Emerald crystal background.
Detail of brazilian green tourmaline crystal with its texture, colors and transparency
Quartz und Forberit, China, Yaogangxian Mine
set of various rhyolite stones cutout on white background
Tiger’s eye mineral stone sample macro photography
Free Images: "bestof:Tourmaline variety Rubellite with Quartz and Albite"
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Rubellite, achroite et quartz (Chine) 3.jpg
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Triplite, Manganese Oxides, Amazonite, Quartz, Albite - Morefield Mine, Virginia, USA.jpg
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Triplite, Quartz, Albite - Morefield Mine, Winterham, Virginia, USA.jpg
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Fluorapatite variety Manganapatite w - albite Calcium manganese fluo-phosphate Swanson Mine East Hampton Middlesex County Connecticut 2588.jpg
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Spinelle sur tourmaline (Madagascar).jpg
Quartz variety Moss Agate with crystalized quartz Silicon Dioxide Aurangabad,Hyderabad State, India 3420.jpg
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Tremolite variety ChromeTremolite w- quartz Basic calcium magnesium chromium silicate Outokumpo Finland 1830.jpg
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