January 2022, Stone of the Day #27 – Wavy-Line Slope Point Rhyolite Stone

This small stone, 3.5 cms long, is probably rhyolite. It comes from the same batch of Slope Point tumble stones as Stones #10, #12, #16 and #25. A dark stone, its rusty coloured wavy line caught my eye on the beach.

The other side of the stone also has some iron oxide staining.

Other side of Stone #27.

It has polished quite well, although there are three or four tiny holes remaining in its surface.

The Index to the January 2022 Stone of the Day Series is here.

Author: tumblestoneblog

Retired Academic, male, living in the New Zealand countryside near Whanganui with his wife as well as Jasper the dog, Fluffy the cat, Dancer and Penny, the horses, and a shed half-full of stones. Email john.tumblestone@gmail.com. View all posts by tumblestoneblog