Quartz Gemstones
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Hardness
7.0 on the Mohs scale.
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Occurrence
Worldwide. One of the most common minerals.
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Appearance
Quartz can be found in a variety of colors, violet (amethyst), golden yellow (citrine), pink or peachish (rose quartz), brown (smoky quartz), green (prasiolite) and colorless (rock crystal). Quartz is sometimes found with inclusions of other minerals such as rutile (sagenite, or rutilated quartz) or tourmaline (tourmalinated quartz), making them look quite remarkable. Chalcedony, a micro-crystalline member of the quartz family consists of a number of stones, namely agate, dendritic agate, fire agate, bloodstone (heliotrope), plasma, chrysoprase, prase, fossilized wood, jasper, carnelian, moss agate, onyx, sardonyx, and sard.
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Enhancements
Clear quartz is not enhanced. Refer to specific pages on other types.
More information on gemstone enhancements.
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Quartz Varieties
Quartz Varieties
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8.66 ct. |
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| 15.0mm Cabochon, Heart Cut |
| White |
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| Slightly Translucent |
| [N] Not enhanced. |
| Quantity Available: 2 |
| Quartz |
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16.73 ct. |
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| 20.0mm Cabochon, Heart Cut |
| White |
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| Slightly Translucent |
| [N] Not enhanced. |
| Quantity Available: 2 |
| Quartz |
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91.60 ct. |
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| 57.0x17.0mm Carved Dolphin |
| Medium Light |
| Very Slightly Brownish Slightly Yellowish Orange |
| Translucent |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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6.26 ct. |
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| 25.0x5.0mm Crystal Point |
| Colorless |
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| Translucent |
| [N] Not enhanced. |
| Quantity Available: 23 |
| Quartz |
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286.55 ct. |
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| 44.0x32.0mm Carved Skull |
| Colorless |
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| Heavily Included |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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283.30 ct. |
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| 45.0x31.0mm Carved Skull |
| Colorless |
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| Heavily Included |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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53.45 ct. |
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| 34.6x22.7mm Carved Whale |
| Colorless |
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| Moderately Included |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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82.01 ct. |
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| 42.8x25.5mm Carved Whale |
| Colorless |
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| Slightly Included |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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33.27 ct. |
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| 33.7x22.5mm Oval, Flat Top Cut |
| Medium |
| Strong Purple |
| Heavily Included |
| [N] Not enhanced. |
| One of a kind. |
| Combination of amethyst, citrine, rutile and clear quartz. |
| Quartz |
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28.35 ct. |
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| 33.5x25.9mm Pear, Flat Top Cut |
| Medium |
| Strong Purple |
| Heavily Included |
| [N] Not enhanced. |
| One of a kind. |
| Combination of amethyst, citrine, rutile and clear quartz. |
| Quartz |
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38.10 ct. |
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| 43.5x23.4mm Pear, Flat Top Cut |
| Medium |
| Strong Purple |
| Heavily Included |
| [N] Not enhanced. |
| One of a kind. |
| Combination of amethyst, citrine, rutile and clear quartz. |
| Quartz |
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243.35 ct. |
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| 52.0x25.0mm Carved Pig |
| Extremely Light |
| Moderately Strong Red |
| Slightly Translucent |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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242.90 ct. |
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| 50.7x23.0mm Carved Pig |
| Medium |
| Very Slightly Brownish Red-Orange |
| Opaque |
| [N] Not enhanced. |
| One of a kind. |
| Quartz |
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Calibrated Quartz
Calibrated Quartz
Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.
- AAA Colorless, eye-clean, good cut, good polish.
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| Quartz |
Quality |
AAA |
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| Shape |
Size |
Avg. Weight |
Price Each |
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8mm
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1.66 ct.
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10mm
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3.49 ct.
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12mm
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6.56 ct.
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