Category Archives: Sedimentry Stone

Pierre Du Sud-Ouest – French Mystery Stone

Size: 200 x 50 x 19mm weight:  573gr.
Density: XXXgr./cm³ /  Estimated grit size:  medium – fine > 4-10K
Usage: should be used with water
Color: a yellow to beige to yellow-green color mostly
with plant inclusions
Other names:
Pierre Du Sud-Ouest, French mystery Stone,
French Thuringian, Pierre D’italie

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O-Ha! Magnet = Elektrostein (98 x 30 x 10mm)

Size: 98 x 30 x 10mm weight: 80gr.
Density: xxgr./cm³ / Estimated grit size: very fine <12k
Usage: only with water, never use oil!
Color: green-grey, dark-grey, sometimes going in brown, mottled structure with black, blue, rose or green coloration
Other names:
mottled Thuringian, Schwedenstein, Swedenstein
Supplier/Distributor:
Otto Hunger, Elsterberg (Sachsen)
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Chinese Water Hone C12K (200 x 50 x 20mm)

Size: 200 x 50 x 20mm weight: 647gr.
Density: xxgr./cm³ / Estimated grit size: very fine <12k
Usage: with water
Color: light-grey to grey-green, sometimes orange lines or inclusions
Other names:
Chinese River Hone, C12K, Kajima, PHIG, Chinese Pulpstone
Supplier/Distributor:
actually there seems to be a lot of sellers and a lot of re-branded stones around
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Pierre aiguiser La Lune unlabelled (120 x 60 x 23mm)

Size: 120 x 60 x 23mm weight: 439gr.
Density: xxgr./cm³ / Estimated grit size: ultra fine > 12k
Usage: with water, glycerine or oil
FGBC wrote in their Instructions to use the stone with oil
Color: dark-purple, violet with a visible flash like pattern
Supplier/Distributor:
F.G.B.C. / F. Ghelfi, Birroleau & Cie. or Manufrance
this stone is un-labelled
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Pierre aiguiser La Lune un-labelled (160 x 75 x 30mm)

Size: 160 x 75 x 30mm weight: 1180gr.
Density: xxgr./cm³ / Estimated grit size: ultra fine > 12k
Usage: with water, glycerine or oil
FGBC wrote in their Instructions to use the stone with oil
Color: dark-purple, violet with a visible flash like pattern
Supplier/Distributor:
F.G.B.C. / F. Ghelfi, Birroleau & Cie. or Manufrance
this stone is un-labelled
Continue reading Pierre aiguiser La Lune un-labelled (160 x 75 x 30mm)

Enat light-brown by Ekretz (170 x 64 x 16mm)

Size: 170 x 64 x 16mm weight: 484gr.
Density: xxgr./cm³ / Estimated grit size: very fine < 12k
Usage: with water, glycerine or oil
Color:  beige to light-brown with visible inclusions
Rockhound:
Ekretz
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Thuringian Bout No. 1 (120 x 110 x 25)

Size: 120 x 20 x 75 x 110 x 30 x 25mm weight:  652gr.
Density: XXXgr./cm³ /  Estimated grit size:  very fine > 12K
Usage: only use water, no oil or grease!
Color: light-green (LG)
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