Size: 115 x 55 x 100 x 25mm weight: 230gr. Density: xxgr./cm³ / Estimated grit size: very fine > 12k Usage: use with water, glycerine or oil Color: all of the Apache Strata Stones can appear in different types of colors, from pale white-beige, to dark violet, to red, where also a pattering or blood spotted surface is possible. Supplier/Distributor: Naturalhones.com
Website: www.naturalhones.com
Size: 134 x 55 x 17mm weight: 320gr. Density: xxgr./cm³ / Estimated grit size: very fine > 12k Usage: use only with water! Color: dark gray towards light black Rockhound: Ekretz
Size: 130 x 80 x 17mm weight: 437gr. Density: xxgr./cm³ / Estimated grit size: very fine > 12k Usage: use only with water! Color: light green with slight Karasu pattern,
on the back grey to white with iron oxidated skin
Size: 140 x 80 x 29mm weight: 732gr. Density: xxgr./cm³ / Estimated grit size: very fine > 12k Usage: use only with water! Color: light grey with iron oxide swirls,
on the back light brown with red ironoxidated skin
Size: 145 x 80 x 18mm weight: 534gr. Density: xxgr./cm³ / Estimated grit size: very fine > 12k Usage: use only with water! Color: olive green moving into light yellow,
on the backing gray to brown-green
Size: 90 x 32 x 19 mm weight: 158gr. Density: XXXgr./cm³ / Estimated grit size: very fine > 15K Usage: with water, oil or glycerin
(FGBC says to use the stone with oil) Color: red-purple slate with metallic sparkle look Supplier/Distributor: F.G.B.C. (F. Ghelfi, Birolleau & Cie.), Manufrance