Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
Alternative colour scheme to the original.
Source Firkin
Continuing the geometric trend, here is one more.
Source Mike Warner
This is lovely, just the right amount of subtle noise, lines and textures.
Source Richard Tabor
Derived from a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
High detail stone wall with minor cracks and specks.
Source Projecteightyfive
8 by 8 pixels, and just what the title says.
Source pixilated
Prismatic Abstract Geometric Background 4
Source GDJ
To get the tile this is formed from select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua