Rocks, minerals & gems By Ren
A closer look at the ground we stand on.
Fresh finds, mineral science, gems, and the stories behind the specimens — for curious collectors and lifelong learners.
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Fengruiite Discovery Sheds Light on Silver Concentration
A newly identified silver‑tellurium sulfosalt, Fengruiite, offers fresh insight into how nature concentrates silver.
Read storyNew Mineral Species Reported by European Journal of Mineralogy
Three new minerals were published—exsolution‑texture insights, a new arsenate, and a silver‑rich sulfosalt.
Read storyUpcoming Gem & Mineral Shows Across U.S., August‑September 2026
From New York to Utah, eight shows run late summer and early fall, offering displays, workshops, and networking for collectors.
Read storyExsolution Textures Reveal Vanadium Extraction Challenges
A new study shows how microscopic Fe–Ti oxide textures affect vanadium recovery from Bushveld Complex ores.
Read storyFengruiite: New Silver–Tellurium Sulfosalt Discovered in China
Researchers identified a new mineral, Fengruiite, at China's Haopinggou deposit, showing how tellurium helps concentrate silver.
Read storyBelmonteite Discovered in Italy’s Ligurian Manganese Ores
Scientists have isolated a new calcium‑manganese arsenate hydroxide named belmonteite from ore deposits near Savona, shedding light on As‑rich fluid processes.
Read storyLithium‑Boron Transport Rates Studied via Isotope Fractionation
Researchers quantified how lithium moves between melts during pegmatite growth using isotope tracing.
Read storyEuropean Journal Reports Three New Minerals and Process Insight
The latest issue of the European Journal of Mineralogy presents new minerals—Belmonteite from Italy and Fengruiite from China—and a study showing how Fe–Ti oxide exsolution textures influence vanadium recovery.
Read storyExsolution Textures Dictate Vanadium Recovery from Bushveld Ores
Micro‑scale Fe–Ti oxide textures control how efficiently vanadium is extracted by crushing and pre‑concentration methods.
Read storyNew Experiment Illuminates Lithium Transport in Pegmatites
Scientists show lithium isotopes preferentially move into fluid phases during late‑stage pegmatite formation.
Read storyNew Minerals Belmonteite and Fengruiite Discovered
Scientists report two new minerals from Italy and China.
Read storyNew silver‑rich mineral found in Chinese ore deposit
A new Ag–Sb–Te sulfosalt named fengruiite was identified at the Haopinggou deposit, while researchers tested lithium and boron transport in pegmatitic systems and released an IMA commission newsletter.
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