Crazy lace agate
Lapidary material SiO2
Also called Mexican lace agate and Mexican crazy lace
About it
Agate with tightly twisted, lacy bands and swirls rather than neat rings. Mined in Chihuahua, Mexico, and a long-time favourite for cabochons and tumbled stones.
- Type
- Lapidary material
- Group
- Agate (chalcedony)
- Formula
- SiO2
- Hardness (Mohs)
- 6.5–7
- Specific gravity
- 2.57–2.64
- Streak
- white
- Lustre
- waxy, vitreous (glassy)
- Crystal system
- Trigonal
- Colours
- white, red, yellow, brown, grey
- Transparency
- translucent, opaque
- Cleavage and fracture
- none; conchoidal fracture
Typical values: real specimens vary. For more, see mindat.org.