actinolite asbestos

  • 31Rotterdam Convention — The Rotterdam Convention is a multilateral agreement to promote shared responsibilities in relation to importation of hazardous chemicals. It became legally binding to its parties in 2004, and as of 2008, 73 countries were signatories and 126… …

    Wikipedia

  • 32Geology of Tasmania — Tasmania has a varied geological history, with the world s biggest exposure of diabase, or dolerite. Rocks from the Neoproterozoic, Paleozoic and Mesozoic time periods appear. It is one of the few southern hemisphere areas glaciated during the… …

    Wikipedia

  • 33Jade — Nephrite jade redirects here. For nephrite itself, see Nephrite. This article is about the gemstone. For other uses, see Jade (disambiguation). A selection of antique, hand crafted Chinese jade …

    Wikipedia

  • 34List of chemistry topics — This page aims to list articles related to chemistry. This is so that those interested in the subject can monitor changes to the pages by clicking on Related Changes in the sidebar and on the bottom of the page.This list is not necessarily… …

    Wikipedia

  • 35Nephrite — This article is about the gemstone. For the fictional character, see Nephrite (character). Not to be confused with Nephritis. Nephrite Nephrite from Jordanów Śląski (Poland) General …

    Wikipedia

  • 36Silicate minerals — The silicate minerals make up the largest and most important class of rock forming minerals, constituting approximately 90 percent of the crust of the Earth. They are classified based on the structure of their silicate group. Silicate minerals… …

    Wikipedia

  • 37Inosilicate — Les inosilicates sont des minéraux de la famille des silicates dont les groupements [SiO4]4− sont organisés en chaînes ou rubans. Sommaire 1 Étymologie 2 Cristallochimie 2.1 Inosilicates en chaîne …

    Wikipédia en Français

  • 38Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …

    Universalium

  • 39Geology of Taiwan — Taiwan is active geologically, showing plate boundary tectonics. The island formed at the junction of the Luzon Volcanic Arc (吕宋岛火山弧) and the Ryukyu Volcanic Arc (琉球火山弧). Subduction changes direction at Taiwan. South of the island, the Philippine …

    Wikipedia

  • 40inorganic matter — (New American Roget s College Thesaurus) The inanimate world Nouns 1. inorganic matter, mineral, mineral world or kingdom, unorganized, inanimate, or lifeless matter, inorganization; lithification, petrification; petrifaction; brute matter; stone …

    English dictionary for students