Petrified palm wood

Fossil

Also called Palm wood, Palmwood, and Palmoxylon

About it

Silicified palm trunks whose cut faces show scattered dots, the plant's vascular bundles, which run as rods along the grain. The state stone of Texas and state fossil of Louisiana; Indonesia supplies much of it.

Type
Fossil (plant)
Group
Palm wood (plant)
Hardness (Mohs)
6.5–7
Lustre
vitreous (glassy), waxy, dull
Colours
brown, tan, black, red, grey, cream
Transparency
translucent, opaque
Cleavage and fracture
none; conchoidal to splintery fracture
Periods
Paleogene, Neogene

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