Introducing the "Rare Earth Minerals" gallery which is part of our Special Edition galleries. This gallery contains mineral specimens for sale including aeschynite-(ce), allanite-(ce), allanite-(y), bastnasite-(ce) and more from places like Urstad pegmatite, Hitterø, Vest-Agder, Norway...
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Rare-Earth distributions in some rocks and associated minerals of the batholith of southern California 来自 Semantic Scholar 喜欢 0 阅读量: 32 作者:DG Towell,JW Winchester,RV Spirn 摘要: The rare-earth and yttrium abundances in four whole-rock samples and eight associated mineral fractions from...
Rare earth element (REE) abundances determined by activation analysis in rocks, plagioclase and mafic separates from the Fiskenaesset Complex are presented together with data on major and trace elements in the minerals. The REE data for the rocks and plagioclases are distinct from those of many ...
Identifying the Rocks of Lake Michigan (Geode, Septarian, Agate, and More) Identifying the Fossils and Corals (Crinoids, Bryozoans, Etc.) on the Beach of Lake Michigan Sedimentary Rocks Formation and Fossils Solid Shoreline and Polar Vortex Events ...
Pyrite and chalcopyrite are the most abundant ore minerals at Vathi and are related to potassic, propylitic, and sericitic hydrothermal alterations (A- and D-veins), as well as to the late-stage epithermal overprint (E-veins). Magnetite and titanite are found mainly in M-type veins and as...
Rare earths are used as catalysts, phosphors, and polishing compounds. These are used for air pollution control, illuminated screens on electronic devices, and the polishing of optical-quality glass. All of these products are expected to experience rising demand. Other substances can be substituted ...
Prepping a whole batch of these bad boys to go live on iRocks.com for sale soon… going to be sad to see them go! . Chalcopyrite from Daye, China – send us a DM for an analysis on how these stunning oddballs formed! A post shared byArkenstone Minerals(@arkenstone_minerals) onJul...
Something about the last vestiges of night--the haunting quiet--that won't let me sleep. I've always been an early riser and I think it's because I love... Read moreAbout us Susan has been designing jewelry for almost ten years and studying rocks, minerals and gemstones all her life...
A Rare Bamboo Pine and Crane Pattern Brush Pot Qing Dynasty, China Size:16cmx12.8cm清代 竹雕松竹梅笔筒.