Botswana agate

Lapidary material SiO2

About it

Finely banded agate in soft pinks, greys, and peach, often with tiny eye patterns. Comes from basalts around Bobonong in eastern Botswana.

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
pink, peach, grey, white, brown
Transparency
translucent, opaque
Cleavage and fracture
none; conchoidal fracture

Typical values: real specimens vary. For more, see mindat.org.