Rocks, minerals & gems By Ren
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Fresh finds, mineral science, gems, and the stories behind the specimens — for curious collectors and lifelong learners.
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New Mineral Discoveries Published in European Journal of Mineralogy
The journal reports three new studies, including a newly identified arsenate mineral.
Read storyNew Arsenate Mineral Belmonteite Discovered in Ligurian Manganese Ores
Scientists have identified the new mineral Belmonteite in manganese ore deposits of Italy’s Graveglia Valley.
Read storyExsolution Textures Impact Vanadium Extraction
Researchers show that microscopic mineral textures in Bushveld ores dictate how efficiently vanadium can be extracted.
Read storyBelmonteite, New Arsenate Mineral Found in Italian Mine
A new arsenate mineral, Belmonteite, was discovered in Italy’s Graveglia Valley by researchers Biagioni, Sejkora and Dolníček.
Read storyNew Minerals Discovered in European Journal of Mineralogy
The latest issue reports a new arsenate mineral, two studies on aragonite mixtures and Fe‑Ti oxides, and includes practical insights into ATR spectroscopy.
Read storyAragonite Analysis, Vanadium Ore Textures, and New Mineral Belmonteite Announced
Researchers unveiled a rapid infrared technique for aragonite-group carbonates, studied vanadium ore textures affecting extraction, and identified a new arsenate mineral, Belmonteite, from Liguria.
Read storyATR Infrared Technique Quantifies Aragonite Carbonate Mixtures
Researchers developed an ATR‑FTIR method to accurately measure strontianite and witherite in synthetic aragonite mixes.
Read storyNew Minerals Discovered in Recent European Journal of Mineralogy Issues
The latest issue of the European Journal of Mineralogy reports two new mineral species—Belmonteite from Italy and Fengruiite from China—and a study on how Fe–Ti oxide textures affect vanadium extraction.
Read storyNew Minerals Discovered: Belmonteite, Fengruiite, and Vanadium Study
A recent European Journal of Mineralogy issue presents findings on vanadium extraction from Bushveld Complex ores, the discovery of arsenate mineral belmonteite in Liguria, Italy, and silver‑rich sulfosalt fengruiite found in Qinling, China.
Read storyNew Sulfosalt Mineral Fengruiite Found in Chinese Deposit
Scientists identify Fengruiite, a silver‑rich Ag–Sb–Te sulfosalt from China’s Qinling deposit.
Read storyThree New Minerals Unveiled in European Journal of Mineralogy
Scientists report three newly identified mineral species from Italy, China, and South Africa, detailing their structures and implications for ore processing.
Read storyExsolution Textures in Fe–Ti Oxides Dictate Vanadium Recovery
Microscopic textures within vanadium‑bearing Fe–Ti oxides determine whether magnetic and flotation methods efficiently separate vanadium.
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