Vintage Moh’s Hardness Testing Kit – Kovac’s


For sale is a vintage Moh’s hardness testing kit. Originally supplied by Cyril Kovac of Melbourne. This was a set sold to the geology department of Rosny College, southern Tasmania and dates back to the 1970s or 1980s. It contains specimens with a hardness from 1 to 9 (no diamonds were included for hardness 10 in these sets). The box measures 110x 75x40mm. Price $40.