Faceted Gemstones

Big Gemstone Mining Co.

Phone: (704) 740-9313

Information; ID & Links

Gemstone Identification

Gemstone Identification and general idea of values. try to match your stone with the "rough, un-cut" stone in the images below, This section is just getting created so if you can not find your stone, try back in a few days. . .

Smoky Quartz

Description: 037.JPG

Cut and finished Smoky Quartz Jewelry

Cut and Polished Smoky Quartz    Cut, Polished and Mounted Smokey Quartz

Smoky Quartz is part of the quartz family of gemstones (Quartz, Amethyst, Citrine, Rose Quartz, Ametrine, & Smoky Quartz,) It is incorrectly called Smoky Topaz since it is a quartz and not a topaz.
The Chemical composition is SiO2. (Or Silicon Dioxide)
Smoky Quartz “Retails” for Approximately $30-120. Per ct. - “Loose” (not in jewelry)- A mounting is extra.

Rose Quartz

Rose Quartz - Rough Stone - Click image to open a full sized photo in a new browser window

Cut and finished Rose Quartz Jewelry

Cut and Polished Rose Quartz     Polished Stone mounted in a ring

Rose Quartz is part of the quartz family of gemstones (Quartz, Amethyst, Citrine, Rose Quartz, Ametrine, & Smoky Quartz,) it is used when it is opaque, Translucent, and Transparent. The first of the three is the least rare.  The later of the three is the most  rare therefore the most valuable. The Chemical composition is SiO2. (Or Silicon Dioxide)
Rose Quartz "Retails" for Approximately $25.-$60.Per ct. $35-75per ct. & $65-120. Per ct. “Loose” (not in jewelry)-A mounting is extra.

Amethyst

Amethyst - Rough Stones - Click image to open a full sized photo in a new browser window

Cut and Polished Amethyst

Cut and Polished Amethyst   Cut, Polished and Mounted Amethyst

Amethyst is a quartz stone (purple color) A practice today is using the green  colored quartz commonly found outside the purple bands of color and labeling it “Green Amethyst”.  Amethyst is one of the most popular of the semi-precious stones. It is used as the February birthstone but is adored by most jewelry wearers.
Amethyst “Retails” for Approximately $35.00 - $65.00 per ct. and Superfine qualities run as high as $1,200.00 per ct.

Ametrine

Ametrine Rough stones

Cut and finished Ametrine Jewelry

Cut and Polished Ametrine   Cut, Polished and Mounted Ametrine

Ametrine has the mixture of two colors in the quartz family. They are Amethyst and Citrine. The most sought after is the intense orange and purple in the clear crystals. In the stores you will find Ametrine with some inclusions and some with no inclusions. The ones with the most intense color with the clearest crystals are the rarest and therefore the most valuable.
Ametrine “Retails” for Approximately $150.00 - $350.00 per ct. and Superfine qualities run as high as $3,800.00 per ct.

Citrine

Rough Citrine Stones

Cut and Polished Citrine Jewelry

Cut and Polished Citrine     Cut, Polished and Mounted Citrine

Citrine is in the quartz stone family. It’s color range is from Bright yellow to a dark orange, (which is the most prized). This stone is an alternative to the Golden Topaz as the November birthstone.  Citrine is a stone that looks good as a clear “faceted” stone or a translucent Cabochon style
Citrine “Retails” for Approximately $35.00 - $65.00 per ct. and Superfine qualities run as high as $1,000.00 per ct.

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Gemstones

Related resources

  • Gemstone related links coming soon.
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