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pyrolusite

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软锰矿; 软铁矿

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软锰矿; 软铁矿

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.
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
PYROLUSITE
Pyrolusite is one of about two or three dozen blackish-colored manganese oxide or hydroxy-oxide minerals Distinguishing pyrolusite (MnO2 - manganese dioxide) from other Mn-oxides requires careful chemical analysis Pyrolusite, and Mn-oxides in general, have a reflective black color
How to Identify Pyrolusite | Properties, Meaning Uses
How to identify Pyrolusite: Learn its key properties (hardness 2 - 6 5, Black color), uses, and meaning Complete identification guide with photos and detailed information
Pyrolusite: The manganese mineral pyrolusite information and pictures
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 Mineral Data
From the Greek, pyro and louein, "fire" and "to wash," because it was used to remove the greenish color imparted to glass by iron compounds Comments: Steel-gray metallic prismatic pyrolusite crystals Location: Hori Blatna, Czech Republic Scale: See Photo
Where to Find Pyrolusite: Interactive Map Identification Guide
146 documented locations where pyrolusite can be found across the United States Use the interactive map below to filter by state or access type and find pyrolusite collecting sites near you
Pyrolusite Mineral Properties Uses and Location - Vedantu
Pyrolusite is a naturally occurring mineral composed mainly of manganese dioxide (MnO2) It is the most important ore used for extracting manganese metal In simple words, pyrolusite is a black mineral rock that contains a high amount of manganese, which is essential for making steel and batteries
40 Facts About Pyrolusite
Pyrolusite is a mineral primarily made of manganese dioxide This dark, metallic-looking substance plays a crucial role in the production of steel and in the creation of batteries

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