Lonsdaleite static press or using explosives. It has also been produced by chemical vapor deposition, and also by the thermal decomposition of a polymer, poly(hydridocarbyne), at atmospheric pressure, under argon atmosphere, at . It is translucent, brownish-yellow, and has an index of refraction of 2.40 to 2.41 and a specific gravity of 3.2 to 3.3. Its hardness is theoretically superior to that of cubic diamond (up to 58% more), according to computational simulations, but natural specimens exhibited somewhat lower hardness through a large range of values (from 7 to 8 on Mohs hardness scale). The cause is speculated as being due
Mohs (automobile) several publications as late as 1979 although only the original three were built. Mohs (automobile) Mohs was an automobile make built by the Mohs Seaplane Corporation of Madison, Wisconsin (United States). Bruce Mohs, the company founder, built limited-production automobiles on chassis built to custom specifications by the International Harvester Company. Automobiles by Mohs were built between 1967 and 1979. Mohs produced two models. Bruce Baldwin Mohs died February 1, 2015. The Ostentatienne Opera Sedan was offered at a F.O.B. price of $19,600 (1967), had a weight of 5,740 lb (2,600 kg), and sat on a 119 in (3.02 m) wheelbase.