manganese borate

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• MANGANÈSE — Le manganèse (symbole Mn, numéro atomique 25) est un métal gris clair, brillant comme l’acier, avec des reflets rougeâtres. Il se situe en tête de la colonne VII A de la classification périodique et au centre de la série des éléments dits de… …   Encyclopédie Universelle

• borate mineral —        Borate minerals Borate mineralsany of various naturally occurring compounds of boron and oxygen. Most borate minerals are rare, but some form large deposits that are mined commercially.       Borate mineral structures incorporate either… …   Universalium

• Manganese — Not to be confused with Magnesium. This article is about the chemical element. For the ghost town, see Manganese, Minnesota. For the steamship, see SS Manganese. chromium ← manganese → iron ↑ Mn ↓ Tc …   Wikipedia

• Chambersite — from Barber s Hill Salt Dome, Mont Belvieu, Texas USA, the type locality. Size: 0.7 x 0.6 x 0.6 cm. General Category Tektobora …   Wikipedia

• sussexite — ▪ mineral       white to straw yellow borate mineral, basic manganese borate [MnBO2(OH)]. Magnesium replaces manganese in the crystal structure to form the similar mineral szaibelyite. Sussexite occurs as hydrothermal fibrous veinlets in the… …   Universalium

• Sussexite — is a manganese borate mineral MnBO2(OH). Crystals are monoclinic prismatic and typically fibrous in occurrence. Colour is white, pink, yellowish white with a pearly lustre. It has a Mohs hardness of 3 and a specific gravity of 3.12.… …   Wikipedia

• sussexite — noun A monoclinic manganese borate mineral with the chemical formula MnBO(OH) …   Wiktionary

• pinakiolite — pə̇ˈnakēəˌlīt noun ( s) Etymology: German pinakiolith, from Greek pinakion small tablet (diminutive of pinak , pinax board, tablet) + German lith lite : a magnesium and manganese borate Mg3Mn3B2O10 occurring in small black tabular crystals …   Useful english dictionary

• Dictionary of chemical formulas — This is a list of chemical compounds with chemical formulas and CAS numbers, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element. Table …   Wikipedia

• Liste des numéros ONU — Cette liste répertorie les numéros ONU utilisés dans le transport de matières dangereuses. Sommaire 1 De 0 à 100 2 De 100 à 200 3 De 200 à 300 4 De 300 à 400 …   Wikipédia en Français

• Potassium permanganate — Potassium permanganate …   Wikipedia