Category Archives: green-grey

James Howarth & Sons Genuine Grecian Hone (180 x 32 x 29mm)

Size: 180 x 32 x 29mm weight:  413gr.
Density: XXXgr./cm³ /  Estimated grit size:  medium – fine > 4K – 9K
Usage: should be used with slurry, water
it can be used with glycerine and oil to buffer the contact and gain better results
Color: green-grey to olive-green, sometimes with typical swirled/banded structures in a
dark-grey or dark-blue. This banding sometimes looks like a swarfing or waves.
Other Names:
Llyn Idwal Stone, Grecian Stone, Grecian Oil Stone
Supplier/Distributor: James Howarth & Sons, Sheffield

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JGES Wasserabziehstein Nr. 29 (100 x 50 x 13mm)

Size: 100 x 50 x 13 mm weight: 101gr.
Density: xxgr./cm³ / Estimated grit size: fine (8K-10K)
Usage: only with water
Color: dark-grey to olive-green
Other names:
Synthethic Thuringian, Reform Thuringian
Producer:
JGES Kommanditgesellschaft E. Schwarz, Theuern

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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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