
Energy Donut (Pi Disc) made of Ruby Zoisite including fabric cord
This elegant energy donut made of genuine Ruby Zoisite is an expressive piece of jewelry made of high-quality natural stone. The stone combines the rich green of zoisite with the intensely red inclusions of ruby – a fascinating color combination that makes each piece a handmade natural unique item.
The classic donut shape (Pi Disc) stands for harmony, balance, and perfection. In combination with the natural color variety of Ruby Zoisite, a stylish energy donut is created that perfectly combines naturalness and elegance – a real eye-catcher for any occasion.
The gemstone donut has a diameter of approx. 30 mm and comes with a black fabric cord. The cord is about 80 cm long, soft, pliable, and ensures comfortable wear.
Product Details
Gemstone: Ruby Zoisite
Shape: Donut (Pi Disc)
Size: approx. 30 mm
Color: Green with red and partly black inclusions
Surface: Polished, smooth texture
Cord: Black fabric cord, approx. 80 cm
Wearing comfort: Soft and pliable
Workmanship: Handmade – each piece is unique
Origin: Tanzania
Delivery: Pictured gemstone donut pendant with fabric cord
Chemical Composition
Ruby: Al₂O₃ (Corundum)
Zoisite: Ca₂Al₃(SiO₄)₃(OH)
Mineral class: Silicates and Oxides
Elements: Aluminum (Al), Calcium (Ca), Silicon (Si), Oxygen (O), Hydrogen (H)
Hardness: 6.5–9 on Mohs scale (depending on mineral content)
Density: approx. 3.3–3.5 g/cm³
Application and Notes
Simply thread the fabric cord through the opening and wear
Can be combined with other energy donuts or jewelry
High-quality polished natural stone
Ideal as a special gift or stylish accessory
