DIY Temperature Control using a PID control and a solid state relay. Category. License.
The difference between regular shungite and elite or noble shungite is in the proportion of organic carbon in it. Regular shungite contains from 35 to 60 per cent of organic carbon while the percentage of carbon in elite shungite is much higher and totals from 92 to 98 per cent.
Translucent emerald-green jadeite is the most prized variety, both historically and today. As quetzal jade, bright green jadeite from Guatemala was treasured by Mesoamerican cultures, and as kingfisher jade, vivid green rocks from Burma became the preferred stone of post-1800 Chinese imperial scholars and rulers.ephrite can be found in a creamy white form (known in China as mutton fat jade) as well as in a variety of green colours, whereas jadeite shows more colour variations, including blue, lavender-mauve, pink, and emerald-green colours.