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Here's an amazing calcium carbonate GLACIAL CONCRETION from an obscure gravel pit in Sharon, Vermont..
This is an eye-catching specimen of DATOLITE - CaBSiO4 (OH) which I acquired at the Tucson Gem, Rock..
Here's a wonderful specimen of TOURMALINE on MICROCLINE from the famed gem pegmatite in Paprock, Nur..
This is a really fine RUTILATED QUARTZ crystal. Rutile occasionally crystallizes in golden needles, ..
The world-famous mines at Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco have..
This is an eye-catching specimen of green & raspberry purple VESUVIANITE from the Jeffrey Mine in As..
Here's a superb crystal of gemmy PHANTOM CITRINE QUARTZ from the Jairo Mine, Resplendor, Doce Valley..
This fine specimen features very sharp MALCHITE PSEUDOMORPHS AFTER AZURITE crystals that came out of..
This is a highly aesthetic specimen of "HALFBREED" NATIVE SILVER with NATIVE COPPER from Houghton, O..
Here's a very attractive specimen of colorful pinkish-red GROSSULAR GARNET. This piece comes from a ..
CLINOATACAMITE is a rare copper chloride mineral, found in only a handful of places in the world. Th..
This highly aesthetic specimen of DIOPTASE comes from an old find at the Kimpese Mine, Lukasi, Katan..
This is a spectacular cluster of bladed golden tan BARITE crystals - a classic find from Cavnic, Mar..
The area around Chumar Bakhour, Nagar, Northern Areas, Pakistan is famous for producing beautiful PI..
Here's a very attractive specimen of BENITOITE with NEPTUNITE from the Benitoite Gem Mine, San Benit..
This is a sharp, clear FLUORITE with SIDERITE specimen from a little-known and long-closed locality ..
Here is a top-notch thumbnail specimen of the very rare phosphate mineral LUDLAMITE. The crystals ar..
Here's a fabulous specimen of green HEULANDITE crystals from Sakur in Maharashtra, India. The blue g..
In 1993-4, a large pocket was opened at the 2500' Level of the Z.C.A. #4 Mine in Balmat, St. Lawrenc..
This is an outstanding blue-green FLUORITE specimen direct from a classic locality - the highly accl..
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