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Here is a Spanish fluorite specimen that features very sharp crystals of beautifully transparent, wa..
Until recently the famed diggings in Mysore, India produced fine ruby crystals like this one. Now th..
Here is a lovely polished cabachon of rainbow moonstone, a true gemstone. The depths of this gorgeou..
On this eye-catching cobaltoan calcite specimen the color is a riveting neon magenta pink that is re..
I visited an imperial topaz mine near Ouro Preto during my recent trip to Brazil's Minas Gerais prov..
This is a very sharp tabular wulfenite crystal from the world-famous Red Cloud Mine in Arizona. The ..
In 1516, a meteorite was seen streaking across the sky in NanDan, China. This event was recorded in ..
Here is a superb pyrite specimen from the 2018 season, which produced some of the finest pieces in y..
Here is a milky quartz crystal from a now-exhausted locality in Haddam, CT. I collected it in 1998 f..
Here is a fine specimen of gemmy smoky quartz from New Hampshire's White Mountains. This crystal fea..
Stanley Butte is the classic locality for andradite crystals, which are given the varietal name topa..
Here is a sharp octahedral cuprite crystal, that measures 12mm. This piece came from the now-closed ..
This is a sharp, gemmy vivid green .6" emerald crystal from Colombia. The six-sided crystal is..
This lovely specimen of aquamarine features excellent aesthetics and sharp crystallization. The sky ..
This sparkling specimen features dark red translucent spessartine garnets that almost completely cov..
Here is a specimen of petalite, a rare lithium-rich pegmatite mineral. This section of a crystal has..
Here is a superb pyrite specimen from the 2018 season at Navajun, which produced some of the finest ..
You are going to love the color on this 19.2 carat, heart shaped piece of moldavite, which is the fi..
In 2012-13 this locality in Morocco produced high quality, bright yellow (with a touch of green) flu..
At Mount Malosa in Malawi, aegerine often forms in elongated slender crystals like this. The crystal..
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