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
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