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Korite: See Ammolite.
Kuromido: A Japanese metal alloy composed of silver and arsenic.
Korite
See Ammolite.
Koroit Opal
Opals from the Koroit mines in Australia. These are the hardest of the boulder opal types and often referred to as "Koroit picture opals" because of the patterns.
Hickorite
aka Hickyorite, Hecorite, Hicorite
Hickorite is a variety of rhyolite that is very similar in appearance to mookaite. This creamy red and orange gemstone is mined in Utah (USA) and Mexico.
AmmoliteAmmolite (also known as korite, calcentine, or Buffalo Stone.) is a fossilized, opalized ammonite shell used as a gemstone (it is the shell of the ammonite, a fossilized marine animal, a cephalopod).
Also known as korite, calcentine, or Buffalo Stone, Ammolite is a fossilized, opalized ammonite shell used as a gemstone. It is a grey, iridescent stone with flashes of green, red, yellow or - more rarely - blue or purple.
Ammolite: (also known as Buffalo Stone, calcentine, or korite) is the fossilized shell of the ammonite, an ancient cephalopod. It can be used as a gemstone and is a gray, iridescent stone with flashes of blue, green, purple, red, or yellow.
Gift by DI Safi Kilima Ammolite by Korite Blue Diamonds Black Diamonds Key Collection Plus Size Fifth Avenue Totally Tanzanite Diamond Initials Original Hook Co.
It is also known as korite, calcentine, or Buffalo Stone. Ammolite is usually treated with a colorless, hard material to increase the strength of the stone and is often mounted as a doublet or a triplet. It is only found in southern Alberta, Canada.
Sources -- Alberta, Canada, appears to be the only known source of ammolite, a 70 million year old fossilized ammonite (a cephalopod, or squid-like animal). Ammolite is also known, less frequently, as korite or calcentine.
opal-like organic gemstone, it is made of the fossilized shells of ammonites, which in turn are composed primarily of aragonite, the same mineral that makes up nacreous pearls. Ammolite is also known as gem ammonite, calcentine, and korite.
 See also: Silver, Metal, Ammolite, Jewelry, Gemstone
  
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