Nephrite, a valued form of jade, is primarily composed of the mineral tremolite and is known for its beautiful green and white colors. The geochemistry and formation of nephrite deposits are of ...

For gemstones, it all comes down to whether a stone is more resistant to scratching ... lump found in 2016 being valued at $170 million. Nephrite is the second, and it’s more common and more ...

The nephrite adze blades in Figure 22 are made from large piece of stone called a blank. For strong adzes, the toolmaker would seek out specific types of stone that does not shatter easily. Why would ...

Electra Stone Ltd., a mining company, engages in the development and exploration of Nephrite Jade and industrial minerals. It primarily engages in mining the Apple Bay aluminum silicate quarry ...

Nephrite can be found in creamy white shades ... the size and weight of something can alter the price immensely. If there is ...