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Here is a large, surprisingly sharp crystal of apatite which is colored a dark, earthy green color. ..
This is a fine specimen-a lustrous, classic blue crystal of jeremejevite from Namibia. Jeremejevite ..
This is a fine, double terminated crystal of kunzite and hiddenite from Afghanistan's Paprock mine. ..
Most ametrine is massive and used for gem rough, and it is rarely crystallized. That makes the quali..
This specimen of barite comes from the highly regarded Stoneham, Colorado locality. The piece is com..
This is a polished nugget of chrysoprase, colored a rich, deep, turquoise blue-green color. Other th..
Here is a sharply formed zincite twinned crystal from Poland that simply glows with a vivid, rich an..
I collected this terminated crystal in 1990 at this classic, now-closed Maine locality. The cr..
On this specimen the matrix is shot through with sharp, gemmy crystals of pink tourmaline, which con..
The color of this aragonite from China is a rich, vibrant turquoise blue which really catches the ey..
Here is a superb, terminated, 1.1 carat crystal of gem red beryl. The color is a lovely satura..
The quartz crystals on this specimen of faden quartz are doubly terminated, and grew outward from a ..
This rutile specimen comes from a little-known locality in north-central Vermont, the Davis Farm pro..
Here is a lovely specimen of Thunder Bay amethyst covered with a layer of red due to hematite inclus..
Here is a super specimen of pyrite, formed into a very sharp (and 100% natural) cubic crystal. The e..
Here is an old-time specimen of fluorite from the famed Blackdene Mine in England, which closed fore..
Here is a lovely polished slice of rhodochrosite from Argentina that has sharp bull's eye bands of r..
This is a fine citrine cathedral quartz crystal from Brazil. The color is 100% natural, and is a ric..
Glendonite has had multiple identities over the years since it first appeared: first glendonite afte..
This specimen consists of an interpenetrating crystal nodule of glauberite pseudomorphs of selenite ..
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