Its dimensions are 42x26x17 mm

This is a striking miniature cobaltoan calcite from Bou Azzer

Name: Lava Coated Volcanic Crystal Bomb

Size:  7mm

Origin:  Mexico

Amethyst | Round Cut | Purple | 10mm | SO24 H4 Its dimensions are 42x26x17 mmProduct Type: Amethyst Approx Weight (per piece): 3. 40ct Size: 10mm Shape: Round Cut Color: Purple Clarity: Small Inclusion (SI) Origin: Brazil Amethyst is a purple variety of quartz, which is a mineral composed of silicon and oxygen. It is one of the most popular gemstones due to its beautiful color. Amethyst ranges in color from light purple to deep violet. The color is caused by impurities of iron within the quartz crystal. Amethyst can be found