[DOC] [TLE] Argentite - Wikipedia [PAR] In mineralogy, argentite is cubic silver sulfide (Ag2S), which can only exist at 
temperatures ... It occurs in mineral veins, and when found in large masses, as in 
Mexico and in the Comstock Lode in Nevada, it forms an important ore of silver. 
The mineral was mentioned in 1529 by G. Agricola, but the name argentite was 
not... [DOC] [TLE] Galena - Wikipedia [PAR] Galena, also called lead glance, is the natural mineral form of lead(II) sulfide. It is 
the most important ore of lead and an important source of silver. ... Galena 
belongs to the octahedral sulfide group of minerals with metal ions in octahedral
... [DOC] [TLE] Acanthite: The mineral Acanthite & Argentite information and pictures [PAR] Acanthite is composed mostly of silver, and is its most important ore. Acanthite 
and Argentite are usually grouped together in mineral guides as one mineral. 
However, they are scientifically ... Luster, Metallic. Heavy tarnish may cause it to... [DOC] [TLE] IMPORTANT ORE MINERALS - Mineralogical Society of America [PAR] Beryllium - The major ore mineral for beryllium in the U.S. is bertrandite while 
worldwide ... Gold - The primary mineral of gold is the native metal and electrum (
a gold-silver alloy). ... Lead - The primary ore mineral for lead is it's sulfide - 
galena. [DOC] [TLE] Argentite Mineral Data [PAR] Environment: Low temperature ore veins. Help on IMA ... Argentite is stable 
above 179 C. Acanthite is stable below 179 C. Help on Name ... Comments: Dark 
metallic acanthite crystals up to 3 mm. Most of the ... John Betts - Fine Minerals... [DOC] [TLE] Chalcopyrite: Mineral Uses and Properties - Geology.com [PAR] It has been the most important ore of copper for thousands of years. ... The most 
obvious physical properties of chalcopyrite are its brassy yellow color, metallic 
luster, ... Associated ore minerals include pyrite, sphalerite, bornite, galena, and... [DOC] [TLE] Silver: A native element, mineral, alloy, and byproduct - Geology.com [PAR] Silver crystals: Crystals of native silver on calcite from the New Nevada Mine, 
Batopilas, Chihuahua, Mexico. ... metals; and, 4) as a trace to minor constituent in 
the ores of other metals. ... These are just a few of silver's important properties. [DOC] [TLE] Malachite: Uses and properties of the mineral and gemstone [PAR] Malachite is a green copper mineral used as a gemstone, sculptural material, 
and pigment for millenia. ... It was one of the first ores used to produce copper 
metal. It is of minor importance today as an ore of copper because it is usually 
found in... [DOC] [TLE] Argentite - definition of argentite by The Free Dictionary [PAR] A valuable silver ore, Ag2S, with a lead-gray color and metallic luster that is often 
... The deposits contain the important silver ore minerals, argentite and... [DOC] [TLE] Classification, Distribution and Uses of Ores and Ore ... - Springer [PAR] the use that is made of the metal or mineral extracted from the ore. .... which are 
mined for tin as the mineral cassiterite (SnO2), iron as magnetite (Fe3O4). [DOC] [TLE] sulfide mineral | Britannica.com [PAR] The metals that occur most commonly in sulfides are iron, copper, nickel, ... The 
most common sulfide crystalling in this manner is galena (PbS), the ore mineral 
of lead. ... They also are the ore minerals of most metals used by industry, as for... [DOC] [TLE] ore deposit | geology | Britannica.com [PAR] Of the more than 60 known lead-containing minerals, by far the most important 
primary ore of the metal is the lead sulfide galena (PbS). Galena often contains... [DOC] [TLE] Photos of Natural Silver Ore, Silver minerals, Crystal ores, rich Silver ... [PAR] Photographs of real high grade silver ores and rich bonanza silver mineral ... may 
be mixed with the base metals, such as lead, copper, zinc, and iron. ... Of the 
base metal ore minerals, the most common primary ones are argentiferous 
galena... [DOC] [TLE] tungsten minerals and deposits - USGS Publications Warehouse [PAR]

Question: The mineral argentite is an important ore of this metal
Answer: Silver