2.11ct Cushion Cut Sapphire 8.4x6.9mm 1kg Melting Furnace Crucible

2.11ct Cushion Cut Sapphire 8.4x6.9mm 1kg Melting Furnace CrucibleSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the

Contents: 1 Stand

Easy and convenient to use for wire connecting usage

with 108 screws and alloy structure make it more stronger

Carat Weight (ct): 1

A standoff is a fastener that is used to create space between two objects

Complete set of 80 Horotec screw-on dies

Relative humidity: less than 90%

Operating Temperature: -20-60℃ (≤95%RH non-condensing)

Inductance Measurement: 0

grinding needle

Package weight: 300g / 10

second step pull out turns on the LED