Carbon trade in both types of diamonds exists, the two markets act in dramatically different ways. Unlike precious metals such as gold or platinum, gem diamonds do not trade as a commodity: there is a substantial mark-up in the sale of diamonds, and there is not a very active market for resale of diamonds. Industrial diamonds are valued mostly for their hardness and heat conductivity, with the gemological qualities of clarity and color being mostly irrelevant. About 80% of mined diamonds (equal to about 100 million carats or 20 tonnes annually) are unsuitable for use as gemstones are relegated for industrial
Past in Different Ways to Michael Kiske, Past In Different Ways "on one hand shows that I don't reject my past just because I'm a different person today, and on the other hand it can maybe give people who were part of that past a different view at those songs. It's my music, I can still identify myself with its spirit...I generally brought each song down to its basics, threw out useless weight and sometimes changed the key to make them sound better as acoustics; and I was surprised how well they worked like that". It was released on 9 May 2008 with cover