Onyx Donut - PI Disc - Gemstone Jewelry Pendant A Quality 30mm - #7221

Onyx Energy Donut (Pi Disc) including Fabric Cord

This energy donut made of genuine onyx is a stylish piece of jewelry of absolute A-quality. The deep black gemstone shows a subtle, natural shine and convinces with its smooth, finely polished surface. Thanks to its flat shape, the donut lies comfortably on the skin and adapts perfectly to the body when worn.

Each onyx donut is a handmade unique piece with a unique structure and natural shine. Small differences in color or grain emphasize the authenticity of the stone and make each piece an individual piece of jewelry.

The classic donut shape (Pi disc) stands for harmony, balance, and perfection. In combination with the elegant black of the onyx, a timeless accessory is created that radiates style, clarity, and elegance.

The donut has a diameter of approx. 30 mm and comes with a black, waxed cotton cord. The cord is about 80 cm long, soft and pliable, which ensures comfortable wearing.

Product Details

Gemstone: Onyx (black chalcedony)

Shape: Donut (Pi disc)

Size: approx. 30 mm

Color: Deep black, evenly polished

Surface: Smooth and shiny

Cord: Black, waxed cotton cord, approx. 80 cm

Wearing comfort: Soft and pliable

Workmanship: Handmade – each piece is unique

Origin: Brazil, India, Mexico (depending on availability)

Delivery: Pictured onyx donut pendant with fabric cord

Chemical Composition

Chemical formula: SiO₂

Mineral class: Oxides (quartz variety, chalcedony)

Elements: Silicon (Si), Oxygen (O)

Hardness: 6.5–7 on the Mohs scale

Density: approx. 2.6 g/cm³

Application and Notes

Simply thread the fabric cord through the opening and wear

Can be combined with other energy donuts or necklaces

High-quality polished natural stone

Ideal as an elegant piece of jewelry or a special gift