Lapis lazuli rough stone, Ladjuar Madan, Afghanistan, 9.6 kg

Details:

• Name: lapis lazuli
• Location: Ladjuar Madan, Badakshan Province, Afghanistan
• Size: 22 x 11 x 11 cm
• Weight: 9.6 kg

Grinding tip:

Coarse grinding with diamond-galvanized diamond grinding discs K80, 180 wet

Plastic-bound K280,600,1200,3000(8000), Type: AM
Polishing: Diamond paste K14,000 dry on felt, leather or cotton denim

You can also find the grinding tools described here on www.steinschleifmaschinen.at.