Best Chalcedony Loose Gemstones in 2025
Daisy
Last Updated: Nov 3, 2025
Daisy
Last Updated: Nov 3, 2025
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HQRP-Crystal | 9.88 | ✅ | ✅ | ✅ |
You will get 5 pcs of the Black Onyx Cabochons similar to the one in the listing, the size and the color of the cabochon may slightly vary as well due to the fact that all minerals are different. (Amethyst Bowl NOT included!) Approximately Size: 13-28mm / 1/2-1 1/8 Inches; Approximately Weight: 10-13gr / 0.35-0.45oz;
Originally, almost all colors of chalcedony from white to dark brown and black were called onyx. Today when we think of onyx we often preface the word with black to distinguish it from other varieties of onyx that come in white, reddish brown, brown and banded. A variety of onyx that is reddish brown with white and lighter reddish bands is known as sardonyx.
Onyx is formed of bands of chalcedony in alternating colors. It is cryptocrystalline, consisting of fine intergrowths of the silica minerals quartz and moganite. Its bands are parallel to one another, as opposed to the more chaotic banding that often occurs in agates.
Chemical Formula: SiO2; Mohs scale hardness: 6.5–7; Color: Black;
(The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 55carat | 6.30 | ❌ | ❌ | ❌ |
NATURAL GEMSTONE: Natural Amethyst, Onyx, Blue Chalcedony, Citrine, Crystal Quartz, Green Amethyst, Labradorite, Rose Quartz, Lapis lazuli, Lemon Quartz, Malachite, Mystic Quartz, Rainbow Moonstone, Rutile Quartz, Smoky Quartz, Tiger eye, Iolite, Garnet, Peridot , Blue Topaz Octagon Shape Loose Gemstone at Wholesale Rate.
PERFECT FOR: Astrologer Purpose, Jewelers,Jewelry makers , Goldsmiths , Designers, Craftmen ,Collectors or a gift for special one.
WHOLESALE ORDERS: We Supply Gemstones at WHOLESALE RATE. Please contact us for Bulk orders.
CONTACT US: If you have any question, please post into "Customer Questions & Answers" below the "Product specifications
NOTE: Product colour may slightly vary due to photographic lighting sources or your monitor settings.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 55carat | 6.21 | ❌ | ❌ | ❌ |
NATURAL GEMSTONE: Natural Amethyst, Onyx, Blue Chalcedony, Citrine, Crystal Quartz, Green Amethyst, Labradorite, Rose Quartz, Lapis lazuli, Lemon Quartz, Malachite, Mystic Quartz, Rainbow Moonstone, Rutile Quartz, Smoky Quartz, Tiger eye, Iolite, Garnet, Peridot , Blue Topaz Octagon Shape Loose Gemstone at Wholesale Rate.
PERFECT FOR: Astrologer Purpose, Jewelers,Jewelry makers , Goldsmiths , Designers, Craftmen ,Collectors or a gift for special one.
WHOLESALE ORDERS: We Supply Gemstones at WHOLESALE RATE. Please contact us for Bulk orders.
CONTACT US: If you have any question, please post into "Customer Questions & Answers" below the "Product specifications
NOTE: Product colour may slightly vary due to photographic lighting sources or your monitor settings.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 55carat | 6.21 | ❌ | ❌ | ❌ |
NATURAL GEMSTONE: Natural Amethyst, Onyx, Blue Chalcedony, Citrine, Crystal Quartz, Green Amethyst, Labradorite, Rose Quartz, Lapis lazuli, Lemon Quartz, Malachite, Mystic Quartz, Rainbow Moonstone, Rutile Quartz, Smoky Quartz, Tiger eye, Iolite, Garnet, Peridot , Blue Topaz Octagon Shape Loose Gemstone at Wholesale Rate.
PERFECT FOR: Astrologer Purpose, Jewelers,Jewelry makers , Goldsmiths , Designers, Craftmen ,Collectors or a gift for special one.
WHOLESALE ORDERS: We Supply Gemstones at WHOLESALE RATE. Please contact us for Bulk orders.
CONTACT US: If you have any question, please post into "Customer Questions & Answers" below the "Product specifications
NOTE: Product colour may slightly vary due to photographic lighting sources or your monitor settings.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| 55carat | 6.21 | ❌ | ❌ | ❌ |
NATURAL GEMSTONE: Natural Amethyst, Onyx, Blue Chalcedony, Citrine, Crystal Quartz, Green Amethyst, Labradorite, Rose Quartz, Lapis lazuli, Lemon Quartz, Malachite, Mystic Quartz, Rainbow Moonstone, Rutile Quartz, Smoky Quartz, Tiger eye, Iolite, Garnet, Peridot , Blue Topaz Octagon Shape Loose Gemstone at Wholesale Rate.
PERFECT FOR: Astrologer Purpose, Jewelers,Jewelry makers , Goldsmiths , Designers, Craftmen ,Collectors or a gift for special one.
WHOLESALE ORDERS: We Supply Gemstones at WHOLESALE RATE. Please contact us for Bulk orders.
CONTACT US: If you have any question, please post into "Customer Questions & Answers" below the "Product specifications
NOTE: Product colour may slightly vary due to photographic lighting sources or your monitor settings.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SURYAGEMS(US) | 5.30 | ❌ | ❌ | ❌ |
PRECIOUS AND SEMI PRECIOUS GEMSTONE: Natural Amethyst, Onyx, Blue Chalcedony, Citrine, Crystal Quartz, Green Amethyst, Labradorite, Rose Quartz, Lapis lazuli, Lemon Quartz, Malachite, Mystic Quartz, Rainbow Moonstone, Rutile Quartz, Smoky Quartz, Tiger eye, Iolite, Garnet, Peridot , Blue Topaz Pear Shape Loose Gemstone
CHOOSE STONE SHAPE : We supply Natural gemstone in various shape like Oval, Pear, Round, Trillion, Square, Rectangle, Marquise, and Heart.
CHOOSE DIMENSION : 4x6 mm, 5x7 mm, 6x8 mm, 7x9 mm, 8x10 mm, 9x11 mm, 10x12 mm, 12x16 mm.
USED FOR : Jewelry making, jewellery designing, gifts and craft making, Rings, Pendant, Bracelets, Earrings Necklace Etc.
CONTACT US: If you have any question, please post into "Customer Questions & Answers" below the "Product specifications".
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| SURYAGEMS(US) | 5.30 | ❌ | ❌ | ❌ |
PRECIOUS AND SEMI PRECIOUS GEMSTONE: Natural Amethyst, Onyx, Blue Chalcedony, Citrine, Crystal Quartz, Green Amethyst, Labradorite, Rose Quartz, Lapis lazuli, Lemon Quartz, Malachite, Mystic Quartz, Rainbow Moonstone, Rutile Quartz, Smoky Quartz, Tiger eye, Iolite, Garnet, Peridot , Blue Topaz Pear Shape Loose Gemstone
CHOOSE STONE SHAPE : We supply Natural gemstone in various shape like Oval, Pear, Round, Trillion, Square, Rectangle, Marquise, and Heart.
CHOOSE DIMENSION : 4x6 mm, 5x7 mm, 6x8 mm, 7x9 mm, 8x10 mm, 9x11 mm, 10x12 mm, 12x16 mm.
USED FOR : Jewelry making, jewellery designing, gifts and craft making, Rings, Pendant, Bracelets, Earrings Necklace Etc.
CONTACT US: If you have any question, please post into "Customer Questions & Answers" below the "Product specifications".
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| 55Carat | 4 |
| Suryagems | 2 |
| Hqrp-Crystal | 1 |
We've carried out a comprehensive analysis of 45 reviews on loose gemstones chalcedony, using our selection criteria to identify the best options in the arts & crafts. Our findings reveal that most customers typically select loose gemstones chalcedony priced around $24.19, with top brands including aurehen, zxymlzi, mirgree, wheaziens, sunnyclue, nidawi, tacool, oameusa and gem-inside create your own fashion and menghuan
Our team of expert editors reviewed these high-quality items and handpicked the top 7 loose gemstones chalcedony for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the arts & crafts category. These include changsha huahaina electronic business ltd, wo beads, xybeads, zrcbeads, sunnyclue us, nidawi, tacool beads, oameusa official store and gem-inside and menghuan .
We are dedicated to assisting our users in finding the right gemstones Products based on their needs, saving them considerable time when choosing which loose gemstones chalcedony to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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