Gemstone Donuts 40 mm

Enhance your jewelry or healing collection with the organic elegance of our Natural Agate Donut. Also known as a "Pi-Stone," each 40 mm piece is expertly crafted from high-quality Agate sourced from Brazil. These donuts are 100% natural and undyed, showcasing a sophisticated palette of earth tones including beige, brown, grey, and soft cream. The polished surface highlights the intricate, one-of-a-kind banding and crystalline structures unique to natural Agate. Its classic donut shape is highly versatile—wear it as a focal pendant on a cord or silk ribbon, or use it as a grounding tool in meditation and energy work. Because these are natural stones, every piece features its own distinct pattern, ensuring that your customers receive a truly unique treasure. Ideal for boutique jewelry designers, gift shops, and metaphysical retailers.   Mineral: Natural Agate (Undyed) Shape: Donut / Pi-Stone Origin: Brazil Size: Diameter: 40 mm (Approx. 1.5 inches) Color Palette: Natural beige, brown, grey, and cream varieties - Extra Quality! Unit for Sale: 1 piece

This distinctive jewelry donut is crafted from natural Barite sourced from mineral deposits in Germany. The stone features a smooth, polished finish that showcases its characteristic neutral color palette, typically ranging from creamy white to soft sandy tan and pale grey tones. With a diameter of 40 mm, this donut is a substantial size for jewelry design or as a pocket stone. Barite is notable for its unusually high density and weight compared to other minerals of similar appearance, giving this piece a high-quality, solid feel. The surface has been expertly finished to a soft luster, highlighting the mineral's subtle translucency and unique internal structures. The classic donut shape with its central hole allows for various mounting options, such as leather cords, silk ribbons, or specialized bails. As Barite is a natural mineral product from Germany, each donut features individual color distribution and patterns, ensuring that every piece is a unique natural specimen for wholesale customers and collectors.   Mineral: Barite Cut/Form: Donut (polished) Origin: Germany Diameter: 40 mm Special Properties: High specific gravity (heavy feel) Unit for Sale: per 1 piece

Bring a burst of warm, sunset energy to your jewelry line with our Natural Carnelian Donut. This popular gemstone, also known as a "Pi-Stone," is expertly crafted from high-quality Carnelian sourced from Brazil. Each 40 mm piece is meticulously tumble-polished to a brilliant, high-shine finish that accentuates its signature orangey-red translucency. Carnelian has been a staple in jewelry and healing traditions for centuries, prized for its bold color and grounding properties. This classic donut shape offers incredible versatility for designers and retailers: As a Pendant: Wear it simply on a leather cord or silk ribbon. Elevated Style: Pair it with one of our silver or gold-plated donut bails/holders for a more sophisticated look. Accessories: Use it as a unique focal point for scarf fasteners, belt accents, or wire-wrapped statement pieces. Because these are natural gemstones, each piece is slightly unique in its color saturation and internal patterns, ensuring your customers receive a one-of-a-kind accessory.   Mineral: Natural Carnelian Form: Polished Donut / Pi-Stone Origin: Brazil Size: Diameter: 40 mm (Approx. 1.5 inches) Versatility: Suitable for pendants, bails, or scarf fasteners Unit for Sale: 1 piece (Necklace sold separately)

Donut Jewelry Holder - 5/8 '' or 16 mm These donut holders with bail allow gemstone donuts to be interchangeably worn with your choice of chain, leather cord, etc. (sold separately) for more jewelry choices. Each one holds any size donut. You can buy one for each of your gemstone donuts for ease of use.    Nickel-free and silver-plated.   Unit for sale: 1 holder Made in China.

This striking gemstone donut is crafted from natural Midnight Lace Obsidian, a rare variety of volcanic glass characterized by its extraordinary internal structure. Each piece features a unique combination of smoky-translucent layers and solid black bands, creating the delicate "lace" pattern for which this mineral is named. With a diameter of 40 mm (approx. 1 1/2 inches), this Pi-Stone or donut-shaped pendant is meticulously hand-polished to a high luster. Originating from the Caucasus Mountains in Armenia, the stone showcases natural lamellar banding that is best revealed when held against the light, displaying its captivating transparency. These Midnight Lace Obsidian donuts are highly versatile for jewelry making; they can be worn simply on a leather cord, attached to a chain with a donut holder, or even used as a unique scarf fastener. As each piece is a natural unique specimen, the distribution of the "lace" patterns varies, ensuring an authentic and individual piece for every customer.   Mineral: Midnight Lace Obsidian (Volcanic Glass) Cut/Form: Donut / Pi-Stone (Polished) Diameter: 40 mm (approx. 1 1/2 inches) Origin: Armenia Special Features: Translucent lamellar banding, unique patterns Unit for Sale: 1 piece

This striking jewelry donut is crafted from Midnight Lace Obsidian, a rare and visually fascinating variety of volcanic glass sourced from Armenia. Unlike solid black obsidian, this material is characterized by its unique translucent to transparent layers and intricate, dark lace-like patterns that become beautifully visible when held against the light. With a substantial diameter of 50 mm, this donut serves as an impressive statement piece for jewelry designers and collectors. The stone has been expertly polished to a high-gloss finish, highlighting the complex internal flow structures formed during the rapid cooling of volcanic lava. As a natural glass, Obsidian can be brittle, so it should be handled with care to avoid chipping or sharp fractures. The classic donut shape with its central hole offers versatile mounting options, fitting perfectly on leather cords or specialized bails. As Midnight Lace Obsidian from Armenia is a natural material, the density and arrangement of the "lace" patterns vary from piece to piece, ensuring that each donut is a one-of-a-kind natural treasure.   Mineral: Midnight Lace Obsidian Cut/Form: Donut (polished) Origin: Armenia Diameter: 50 mm Special Features: Translucent with internal lace-like patterns Special Properties: Natural volcanic glass (brittle - handle with care) Unit for Sale: per 1 piece

 Nellite (Lionskin) Donut 40 mm Nellite is an interesting stone: an intermediary step between pietersite and tiger eye. It has the blue color so famousto pietersite, but also the golden colors of tiger eye. It's more silicified than high-quality pietersite or tiger eye, so the pieces are stable. Most of the pieces are to some degree translucent, and most show a shimmer, more similar to that of pietersite than the famous shimmer of tiger eye. They make easy, unique jewelry! Size: 40 mm / 1 5/8 inches. Center hole about 8 mm / 1/4 to 3/8 inches wide. Unit for sale: 1 donut Mined in South Africa. Made in China. 

This striking jewelry donut is crafted from Pinolite, a rare and visually captivating rock found exclusively in the mountains of Austria. Internationally, this unique material is also known as Pine Stone or Flower Stone due to the distinctive contrast of white magnesite crystals, which often resemble pine nuts or delicate petals, set against a dark, fine-grained dolomite and graphite matrix. With a diameter of 40 mm, this donut is a versatile size for jewelry making or collecting. The stone has been expertly polished to a high luster, emphasizing its unique monochromatic patterns. As Pinolite is a natural material, the distribution of the white inclusions varies, ensuring that each donut is a one-of-a-kind specimen. The classic donut shape with its central hole allows for various mounting options, such as leather cords or high-quality bails. This Austrian rarity is particularly sought after by wholesale customers and jewelry designers looking for authentic, regionally sourced materials with a modern, graphic aesthetic.   Mineral: Pinolite (Magnesite-Dolomite-Graphite-Rock) Cut/Form: Donut (polished) Origin: Austria (Styria) Diameter: 40 mm - approx 1.5" Special Features: Also known as Pine Stone or Flower Stone Unit for Sale: per 1 piece

This striking jewelry donut is crafted from Pinolite, a rare and visually captivating rock found exclusively in the mountains of Austria. Each piece features a distinctive contrast of white magnesite crystals, often resembling pine nuts or petals, set against a dark, fine-grained dolomite and graphite matrix. With a diameter of 50 mm, this donut is a substantial statement piece for jewelry making or collecting. The stone has been expertly polished to a high luster, emphasizing its unique monochromatic patterns. As Pinolite is a natural material, the distribution of the white inclusions varies, ensuring that each donut is a one-of-a-kind specimen. The classic donut shape with its central hole allows for various mounting options, such as leather cords or high-quality bails. This Austrian rarity is particularly sought after by wholesale customers and jewelry designers looking for authentic, regionally sourced materials with a modern, graphic aesthetic.   Mineral: Pinolite (Magnesite-Dolomite-Graphite-Rock) Cut/Form: Donut (polished) Origin: Austria (Styria) Diameter: 50 mm Unit for Sale: per 1 piece

Rock Crystal Donut This high-quality clear quartz is processed into donut shapes. These are suitable as pendants as-is or in gold/silver donut holders, or as belt/scarf fasteners. They can also be made into many varieties of jewelry. Each piece is slightly unique! These are highly polished and make easy gifts. Sized about 1 1/2 inches. Unit for sale: 1 piece. Necklace sold separately. Origin: Brazil WARNING: CHOKING HAZARD. Not a toy. Not for children under 3 years of age. 

Make a statement with our large Rose Quartz gemstone donuts. Sourced from the world-renowned deposits of Madagascar, these high-quality pieces are meticulously processed into a classic donut shape and polished to a brilliant, glassy shine. Madagascar Rose Quartz is prized for its soft, translucent pink color, which captures light beautifully—giving the stone a gentle, inner glow when viewed in bright or natural sunlight. Measuring approximately 40 mm (about 1.57 inches) in diameter, these substantial Pi-stones are perfect for statement pendants. They can be worn on a simple cord, mounted in a donut holder, or used as high-end fasteners for belts and scarves. Because these are natural minerals, each piece is unique, showcasing its own delicate internal crystalline patterns and variations in pink hue. These professional-grade donuts are a staple for jewelry designers and retailers who value consistent quality and the natural beauty of authentic African gemstones.   Mineral: Rose Quartz Cut/Form: Large Donut / Pi-Stone (Polished) Diameter: 40 mm (approx. 1 1/2+ inches) Origin: Madagascar Special Features: Translucent "glowing" pink color, highly polished statement size Unit for Sale: 1 piece (Necklace sold separately)

 Black Shungite Donut Jewelry Pendant 40 mm These black shungite donuts match just about everything! They are made from the lower grade shungite, so traces of other mineral inclusions such as pyrite may be visible. As each one is hand-carved, pieces may be slightly irregularly shaped when viewed close up. Each piece is highly polished and unique, and makes easy and attractive jewelry!   Size: Width of donut about 40 mm. Width of inner hole about 7 mm.  Unit for sale: 1 piece Mined in Russia. Made in China.

This large gemstone donut is crafted from authentic Shungite, a rare carbon-rich mineral sourced exclusively from the Zazhoginsky deposit in Karelia, Russia. With a substantial diameter of 50 mm (approx. 2 inches), this Pi-Stone shaped pendant features a sleek, polished finish that showcases the mineral's characteristic deep black color and subtle sub-metallic luster. Shungite is unique in the mineral world due to its high concentration of carbon and its specific molecular structure. Each piece is meticulously shaped and hand-polished to ensure a smooth, professional surface. Because it is a natural mineral, some pieces may show faint inclusions of pyrite or quartzite, which are hallmarks of genuine Shungite. These 50 mm donuts are highly versatile for jewelry design. They can be worn as a bold statement piece on a leather cord, attached to a silver chain with a donut holder, or used as a centerpiece in custom wire-wrapped designs. Their minimalist, timeless form highlights the natural beauty of this ancient Russian mineral.   Mineral: Shungite (Type II) Cut/Form: Donut / Pi-Stone (Polished) Diameter: 50 mm (approx. 2 inches) Origin: Karelia, Russia Special Features: High carbon content, hand-polished, unique geological origin Unit for Sale: 1 piece

Sodalite Jewelry Donut This beautiful, deep blue sodalite is processed into donut shapes. These are suitable as pendants as-is or in gold/silver donut holders, or as belt/scarf fasteners. Each piece is slightly unique! These are highly polished and make easy jewelry and gifts.   Sized about 40 mm (1,6 in) diameter. Unit for sale: 1 piece. Necklace sold separately.  Origin: Brazil

This high-quality jewelry donut is crafted from genuine, solid, and durable Thulite, also known as pink Zoisite. As the national stone of Norway, this material carries a special geological prestige. The stone was hand-mined by our company in a rural area of Norway, ensuring direct sourcing and authentic quality. The 40 mm donut displays a beautiful mottled or marbled appearance, with natural colors ranging from a delicate light pink to a deep, opaque burgundy. These vibrant pink hues are naturally unfading and are often strikingly contrasted by white or clear flecks of quartz within the material. Occasionally, rare black spots may be present, highlighting the stone's natural origin. With a diameter of approximately 1 1/2 inches (40 mm) and a center hole of 8 mm (3/8"), this piece is ideal for creating personalized necklaces or statement jewelry. This exotic yet affordable mineral makes a perfect gift or a unique addition to any professional jewelry collection.   Mineral: Thulite (Pink Zoisite) Cut/Form: Donut / Pi-Stone Origin: Mined in Norway Special Features: Hand-mined material, 8 mm center hole, natural marbling Diameter: 40 mm (approx. 1 1/2") Unit for Sale: 1 piece

These Tiger Eye jewelry donuts are crafted from high-quality natural stone, showcasing the mineral's striking visual appeal. Each donut is precisely cut with the grain of the natural Tiger Eye, ensuring the bright golden-brown color and characteristic shimmer are displayed to their fullest potential. The stones are sourced from South Africa and processed into the classic, versatile donut shape. The surfaces are highly polished, which emphasizes the natural light play and silky luster of the mineral. Because they are made from natural stone, each piece is slightly unique in its pattern and internal structure. These donuts are exceptionally versatile: they are suitable as pendants - either worn as-is or paired with gold or silver donut holders - and can also function as creative belt or scarf fasteners for custom accessories. With a diameter of approximately 1 1/4 inches and a center hole of 1/8 inches, these pieces are perfectly sized for standard cords or jewelry findings.    Mineral: Tiger Eye Cut/Form: Donut Origin: South Africa (processed in China) Special Features: 1/8 inches center hole, highly polished, grain-oriented cut Diameter: approx. 1 1/4 inches Unit for Sale: per 1 piece