Gemstone Hardness. The Mohs scale of mineral hardness was created by German mineralogist, Friedrich Mohs, in 1822 to measure the relative hardness or scratch resistance of various minerals. He based it on ten readily available minerals. As it is an ordinal scale, two minerals must be compared to decide which is harder. The scale is neither linear nor logarithmic.
AMC Black tickets are exchange items that are NOT eligible toward earning AMC Stubs rewards either at time of purchase or time of redemption. Valid seven days a week. Yellow Ticket Terms and Conditions. Not Valid in: CALIFORNIA, NEW YORK, and NEW JERSEY Present at box office only.
AMC is an American basic cable and satellite television channel that is owned by AMC Networks. The channel's programming, similar to that of FXM, primarily consists of theatrically released films, along with a limited amount of original programming. The channel's name originally stood for American Movie Classics, but since 2002 the full name has been de-emphasized as a result of a major shift in its programming. As of July 2015, AMC was received by approximately 94,832,000 households in the Un