Pyrope
Mineral Mg3Al2(SiO4)3
Also called Bohemian garnet, Chrome pyrope, and Cape ruby
About it
Blood-red magnesium garnet from kimberlite and peridotite, usually as rounded grains rather than crystals; Bohemian garnet jewellery and Arizona's "anthill garnets" are pyrope.
- Type
- Mineral
- Group
- Silicate (nesosilicate), garnet group
- Formula
- Mg3Al2(SiO4)3
- Hardness (Mohs)
- 7–7.5
- Specific gravity
- 3.5–3.8
- Streak
- white
- Lustre
- vitreous (glassy)
- Crystal system
- Isometric (cubic)
- Colours
- blood red, purplish red, pink, orange-red
- Transparency
- transparent, translucent
- Cleavage and fracture
- none; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.