Clearly formed aragonite crystals have grown on an anchorite matrix
A fine paragenesis with highly lustrous marcasite on calcite
Includes tally board in a compartmented plastic case with lid and instructions
This is an excellent size for the locality
Koroit opal with typical variety in brown tones
Lapislazuli Rohstein, Ladjuar Madan, Afghanistan, 9,6 kg Mineralien Rumänien Clearly formed aragonite crystals haveDetails: 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: AMPolishing: Diamond paste K14,000 dry on felt, leather or cotton denim You can also find the grinding tools described here on www. steinschleifmaschinen. at.