Formula:SiO₂
Class:Silicates
Crystal system:Trigonal
Hardness:7.00
Specific gravity:2.65
Locality:Brazil
Dimensions (L x W x H):80 x 20.0 x 20.00 mm
Weight:0 g
Natural specimens may vary slightly from the listed measurements.
Amethyst is the purple variety of quartz, colored by trace amounts of iron and natural irradiation. This specimen shows a sharp crystal point with saturated violet hues near the termination and lighter zoning along the prism.
The price is approximate and may vary depending on availability and shipping. Please contact us to confirm.
- Chemical formula: SiO₂
- Crystal system: Trigonal
- Locality: Brazil (classic source of gem-quality amethyst)
The price is approximate and may vary depending on availability and shipping. Please contact us to confirm.






