Picture jasper
Lapidary material SiO2
Also called Scenic jasper, Biggs jasper, Owyhee jasper, and Deschutes jasper
About it
Jasper whose bands and dendrites look like landscapes when slabbed. Oregon and Idaho are famous for it, with named deposits such as Biggs, Deschutes, and Owyhee; also from southern Africa.
- Type
- Lapidary material
- Group
- Jasper (quartz)
- Formula
- SiO2
- Hardness (Mohs)
- 6.5–7
- Specific gravity
- 2.58–2.91
- Streak
- white
- Lustre
- vitreous (glassy), dull
- Crystal system
- Trigonal
- Colours
- tan, brown, cream, red, blue-grey, in scenic patterns
- Transparency
- opaque
- Cleavage and fracture
- none; conchoidal to splintery fracture
Typical values: real specimens vary. For more, see mindat.org.