Hardness Scales

Diamond pen in ballpoint look

For marking glassware. Diamond tip embedded in metal tube, with ballpoint pen mount.

€35.00

Prices incl. VAT plus shipping costs

Diamond pen with wooden grip

Diamond pen with wooden gripFor writing on glassware. Diamond tip embedded in metal tube, with wooden handle, approx. 120 mm long.

€43.50

Prices incl. VAT plus shipping costs

Hardness Scale, large in wooden box

Standard hardness scale with nine minerals in well-measured samples.Supplied in a sturdy wooden storage case. Dimensions: 23 x 13 x 6 cmSize of the pieces: approx. 3 x 4 cmHardness 10 = steel pin with diamond splinterAdditional identification tools: magnet, file, splitting knife. With streak plate and instructions.

€60.00

Prices incl. VAT plus shipping costs

Hardness Scale, medium

Standard Hardness Set.Nine large specimen and streak plate in compartmented wooden collection box 18,5 x 11,5 x 5,5 cm with explanatory key list.Size of the specimen approx. 2,5 x 3 cm.

€40.00

Prices incl. VAT plus shipping costs

Hardness Scale, small

Small Hardness Scale with 9 specimen representing 9 degrees of hardness, numbered and with streak plate in compartmented plastic collection box 22 x 7,5 x 3 cm with explanatory key list.Size of the specimen approx. 2 x 2 cm.

€29.50

Prices incl. VAT plus shipping costs

Pocket hardness scale (5-9)

Six conically ground mineral points, set and engraved on both sides of three metal rods for the different degrees of hardness. Hardness grades: 5; 6; 6.5; 7; 8 and 9. Supplied in black leather case with explanations.

€42.50

Prices incl. VAT plus shipping costs

Pocket hardness scale with diamond (5 - 10)

Six conically ground mineral points, assembled and engraved on both sides of three metal rods for the different degrees of hardness. Hardness grades: 5; 6; 6.5; 7; 8 and 9. In addition to the i160 set, this hardness scale contains hardness degree 10 in form of a diamond set in a metal pen.Supplied in black leather case with explanations.

€55.00

Prices incl. VAT plus shipping costs