Rock Crystal Donut - PI Disc Gemstone Jewelry Chain Pendant AA Quality 30mm #2066

Energy Donut (Pi Disc) made of Rock Crystal including Fabric Band

This energy donut made of genuine rock crystal is an elegant piece of jewelry of absolute A-quality. The finely polished natural stone impresses with its clear to slightly milky transparency and its smooth, shiny surface. Each donut is a handmade unique piece – individual in structure and shimmer, grown in nature and carefully processed.

Since each stone is unique, no two donuts are alike. Small differences in clarity, inclusions, or color nuances make each piece a distinctive individual item with natural character.

The classic donut shape (Pi disc) stands for harmony, balance, and timeless elegance. In combination with the simple purity of rock crystal, a stylish energy donut is created that radiates naturalness and clarity.

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

Product Details

Gemstone: Rock crystal (clear quartz)

Shape: Donut (Pi disc)

Size: approx. 30 mm

Quality: A-quality

Color: Transparent to slightly milky

Surface: Polished

Band: Soft, waxed cotton band, approx. 80 cm

Wearing comfort: Soft and pliable

Workmanship: Handmade – each piece is unique

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

Delivery: You will receive the gemstone donut pendant shown with a fabric band

Chemical Composition

Chemical formula: SiO₂

Mineral class: Oxides (quartz variety)

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 band through the opening and wear

Can be combined with other energy donuts or necklaces

High-quality polished natural stone

Ideal as a subtle piece of jewelry or a thoughtful gift

Learn more about rock crystal, its properties and care in our Rock Crystal Guide.

[TAB:Gemstone Lore - The Rock Crystal]

Rock Crystal

Rock crystal is referred to as the gemstone of clarity in gemstone healing. In ancient times, due to its appearance, it was believed that rock crystal was a special kind of frozen water that would no longer thaw (Greek: krystallas -> ice). Due to the worldwide occurrences of rock crystal, myths and legends have arisen in almost all cultures surrounding this gemstone, such as among the Romans – they sacrificed rock crystals on the altars of temples in honor of their gods.
In Asia, rock crystal served Buddhist monks in meditation for enlightenment. Native Americans still place the crystal in their newborns' beds to this day.
In modern gemstone healing, rock crystal plays an important role, especially as a laying stone / palm stone. It is also said to have a fever-reducing and cooling effect.

Rock crystal is an almost pure crystalline quartz and belongs to the mineral class of oxides.
The chemical formula of rock crystal: SiO2 + (C, Cl, K, Na,S) - Oxide, quartz group
The main occurrences of rock crystal are the following countries: Brazil, Madagascar, USA, Mexico, Russia, Austria