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This lab-grown specimen has several very large, truly spectacular crystals of boussingaultite in a s..
The realgar crystals on this specimen are a rich, fire-engine red color, contrasting nicely with the..
The Chickering Mine is well known for producing large crystals of indicolite tourmaline in a rich, d..
This is a lovely specimen of Moroccan hematite which line the vugs on the piece with botryoidal bubb..
This is a nice specimen of crystallized rose quartz from India. In addition to its delightful rose p..
This twinned French barite specimen from Auvergne was mined by a French collector who sold it to me ..
Both halves of this geode are lined with sparkling clear quartz crystals, creating a fantastic fairy..
Here is a very colorful, highly lustrous, crystal of rhodonite, in a saturated cherry red color. The..
Inside this polished quartz crystal is a phantom of dark red lepidocrocite crystal flakes, just unde..
Roselite is a rare cobalt rich arsenate mineral, and this is a great example. The crystals awre colo..
Fine ruby crystals like this come from the famed diggings in Mysore, India. The crystal is sharp and..
Graves Mountain is well known as the source of what are considered the finest rutile crystals in the..
This is an attractive specimen of bright orange wulfenite, with sharp individual tabular crystals pe..
The color of this lab-grown alum crystal is a rich, fruity purple, and it has a brilliant flashy lus..
Blue barite specimens from Morocco were one of the big hits at the Tucson Show in 2015, but have sin..
Apatite crystals of this size and transparency are rarely found at this classic locality in Durango,..
I am a big fan of green tourmaline, and this crystal is a beauty. It is well formed with a fin..
This spessartine garnet crystal is 1" in diameter, and it is sharply formed as a 12-sided dodecahedr..
Here is a superb specimen of velvety mottramite on brown gossan matrix from the late 2011 find at th..
Here is a beautifully polished specimen of ammonite, a coiled shell mollusk that lived about 100 mil..
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