Betafite - Ambatofotsy pegmatite, Mahavelona, Soavinandriana Dist., Itasy, Madagascar More info: Betafite is a strange and complex brew of uranium, titanium, and niobium, a member of the Pyrochlore Group of species. Crystals from Madagascar helped define the species and understand the geology of how these complex minerals form; and old specimens might date to the late 1800s and early 1900s when French expeditionary geologists brought hundreds of specimens back to European markets. This looks to
Betafite - Ambatofotsy pegmatite, Mahavelona, Soavinandriana Dist.…
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How does pegmatite form and why are its minerals so big?... | Filo
How does pegmatite form and why are its minerals so big?... | Filo
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153 reactions · 4 comments | My very first experience seeing and...
153 reactions · 4 comments | My very first experience seeing and...
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14K views · 4.2K reactions | Chloritoid - Dara-e-Pech pegmatite, Dara-e-Pech Dist., Kunar, Afghanistan More info: From a small find of the 1990s, this is one of the best-in-size-class crystals of this rare species. It has a fine shape combined with imposing symmetry and is complete. Formerly in the thumbnail collection of Herb Obodda. Thumbnail, 2.4 x 2.4 x 0.8 cm. Ex. Herb Obodda | The Arkenstone Gallery of Fine Minerals | Facebook
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14K views · 4.2K reactions | Chloritoid - Dara-e-Pech pegmatite…
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Tourmaline, Quartz and Albite - Oktyabrskaya pegmatite vein, Malkhan pegmatite field, Krasnochikoysky Dist., Zabaykalsky Krai, Russia More info: https://www.irocks.com/minerals/specimen/51661 A truly unique tourmaline pegmatite combination specimen from the historic Malkhan pegmatite field in Russia! This well-composed combination specimen features Tourmaline, Smoky Quartz and Albite in an attractive arrangement. Two stout, translucent, polychrome Tourmaline crystals dominate this piece, one is
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Tourmaline, Quartz and Albite - Oktyabrskaya pegmatite vein, Mal…
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𝐏𝐄𝐆𝐌𝐀𝐓𝐈𝐓𝐄: 𝐌𝐈𝐂𝐀 😍⚒️❤ 𝐑𝐚𝐣𝐚𝐬𝐭𝐡𝐚𝐧, 𝐈𝐧𝐝𝐢𝐚 🇮🇳 𝐃𝐄𝐒𝐂𝐑𝐈𝐏𝐓𝐈𝐎𝐍: ⬇️ This video shows a piece of rock sourced from a pegmatite having large flakes of muscovite (Mica book), orthoclase and quartz grains. Pegmatite is a felsic intrusive rock which typically occur in the late stage of a magmatic process. Owin to its late occurrence it becomes enriched in residual fluids which ultimately results in coarse grains of mineral crystallization. Some common minerals present in
𝐏𝐄𝐆𝐌𝐀𝐓𝐈𝐓𝐄: 𝐌𝐈𝐂𝐀 😍⚒️❤ 𝐑𝐚𝐣𝐚𝐬𝐭𝐡𝐚𝐧, 𝐈𝐧𝐝𝐢𝐚 🇮🇳 𝐃𝐄𝐒𝐂𝐑𝐈𝐏𝐓𝐈𝐎𝐍: ⬇️ This video shows a piece of rock sourced from a peg…
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Morganite with Tourmaline and Cleavelandite - Afghanistan | Fine Art Minerals | Morganite |
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Morganite with Tourmaline and Cleavelandite - Afghanistan | Fine …
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What Is The Texture Of Pegmatite Rock? - Earth Science Answers
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