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Amethyst
Amethyst
Amethyst
Amethyst
Amethyst

Amethyst

by Moyo Gems

📏 10.8 × 12.4 mm

⚖️ 5.12 ct

🌱 Natural amethyst

Moyo Gems, Tanzania

⭐️ This stone is untreated/unheated.

Sourced through our partner, Moyo Gems

🤝 Responsibly sourced through Nineteen48's trusted supply chain

SKU TZ-MY-AME-000459
£144.00 - £144.00
£144.00
£144.00 - £144.00
£144.00
Only one available

Discover more

Amethyst Facet Fancy Purple Untreated

Amethyst is the name for the purple variety of quartz.

Nineteen48 amethyst is responsibly sourced from artisanal miners in Sri Lanka and Tanzania.

Quite often, large pieces of rough material is found which allows more innovative cuts in large sizes.

Nineteen48 amethyst is not treated in any way to affect the colour or clarity.

Moyo Gems is a pioneering, miner-to-market, gemstone collaboration in East Africa.

Nineteen48 is one of the commercial partners working with the women artisanal gem miners and their male allies in Tanzania and Kenya to deliver their gemstones to the international market.

We source our Moyo Gems specificially from miners in various communities in the Tanga region in north-east Tanzania, all of whom are members of the Tanzanian Women Miners' Association (TAWOMA).

Gemmological Info

Amethyst is the purple variety of quartz. Amethyst is by definition purple. Quartz in other colours is known by other gemmological and trade names.

Quartz (Macrocrystalline)

Composition: SiO₂ (silica)
Crystal system: Trigonal
Hardness: 7
Cleavage: Poor
Fracture: Conchoidal
Lustre: Vitreous
Specific Gravity (SG): 2.65
Refractive Index (RI): 1.544–1.553
Birefringence: 0.009
Optical nature: Uniaxial (+)
Dispersion: 0.013