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pyrolusite

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WordNet (r) 3.0 (2006) (WordNet)

pyrolusite
n 1: a mineral consisting of manganese dioxide; an important
source of manganese

The Collaborative International Dictionary of English v.0.48 (gcide)

Pyrolusite \Pyr`o*lu"site\, n. [Pyro- Gr. ? to loose, or ? a
loosing.] (Min.)
Manganese dioxide, a mineral of an iron-black or dark
steel-gray color and metallic luster, usually soft.
Pyrolusite parts with its oxygen at a red heat, and is
extensively used in discharging the brown and green tints of
glass (whence its name).
[1913 Webster]

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Pyrolusite - Wikipedia
Pyrolusite is a mineral consisting essentially of manganese dioxide (Mn O 2) and is important as an ore of manganese [7] It is a black, amorphous appearing mineral, often with a granular, fibrous, or columnar structure, sometimes forming reniform crusts
Pyrolusite: Mineral information, data and localities. - mindat. org
A common Mn mineral, although difficult to distinguish from similar Mn minerals, pyrolusite forms under oxidizing conditions and high pH Mainly a mineral of lacustrine, shallow marine, and bog deposits, it is also found in the oxidized zones of manganiferous ore deposits and as deposits formed by circulating meteoric water
Pyrolusite | Manganese Ore, Ore Deposits, Oxidation | Britannica
pyrolusite, common manganese mineral, manganese dioxide (MnO 2), that constitutes an important ore Always formed under highly oxidizing conditions, it forms light-gray to black, metallic, moderately heavy coatings, crusts, or fibres that are alteration products of other manganese ores ( e g , rhodochrosite); bog , lake, or shallow marine
The Mineral pyrolusite - The Mineral and Gemstone Kingdom
Pyrolusite is the most common manganese mineral It is one of several manganese oxide minerals, which are all dark gray to black in color and may be very difficult to distinguish from one another, especially when in massive form
Pyrolusite - Details and Facts - allmineralsrock
Pyrolusite is a mineral that belongs to the oxide group of minerals It is a common mineral that is found in many parts of the world, including Europe, Africa, Australia, and North America Pyrolusite is typically black or dark gray in color, and it has a metallic luster
40 Facts About Pyrolusite
Pyrolusite is a fascinating mineral with a rich history and significant uses Known for its striking black or dark gray color, pyrolusite is primarily composed of manganese dioxide This mineral has been utilized since ancient times, playing a crucial role in glassmaking and as a pigment
Pyrolusite - Mineral, Properties, Chemical Formula and Uses - Vedantu
Pyrolusite crystal diminishes fear and aligns the chakras as well as auric body Derived from the Greek “ fire wash”, the pyrolusite is a stone of purification It offers support during emotional healing, and also releases blockage and stabilized relationships
Pyrolusite Mineral Data
Pyrolusite Comments: Steel-gray metallic prismatic pyrolusite crystals Location: Hori Blatna, Czech Republic Scale: See Photo © Jeff Weissman Photographic Guide to Mineral Species
PYROLUSITE (Manganese Oxide) - Amethyst Galleries
Pyrolusite is an oxidation product of weathered manganese minerals and also forms from stagnant shallow marine and freshwater bog and swamp deposits Minerals such as rhodochrosite, rhodonite and hausmannite are often replaced by pyrolusite
Pyrolusite mineral information and data - Dakota Matrix
Pyrolusite is a common mineral with many localities and can be found in highly oxidized manganese-rich hydrothermal deposits and rocks, in bogs, lakes, and shallow marine conditions, and can often be found as a product of altered manganite

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