КНИГИ НА АНГЛИЙСКИЙ ЯЗЫКЕ, ИМЕЮЩЕЕ ОТНОШЕНИЕ К СЛОВУ «TETRAHEDRITE»
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1
The Ore Minerals Under the Microscope: An Optical Guide
Strunz Classification - Group Members - Chemical Formula - Crystallography
Descriptions A Euhedral tetrahedrite (greenish tinted grey), enargite (violet grey),
pyrite (cream); Recsk, Mátra B Mts., Hungary [a]; Nic. // Skeletal tetrahedrite (light
...
2
Extractive Metallurgy of Activated Minerals
8.4.1. MELT process Tetrahedrite Cu12Sb4S13 is one of the most common
sulfominerals. The general formula which describes the tetrahedrite-tennantite
series occuring in nature is (Cu,Ag)1O(Cu,Zn,Fe,Cd,Hg,Cu)2(Sb,Bi,As)4S13 [8.
l04].
3
Geology and ore deposits near Lake City, Colorado
IIlNSDAUTE TETRAHEDRITE. TETRAHEDRITE. TETRAHEDRITE.
TETRAHEDRITE. TETRAHEDRITE. Tetrahedrite. TETRAHEDRITE.
TETRAHEDRITE. TETRAHEDRITE. Tetrahedrite. TETRAHEDRITE. Tetrahedrite.
Tetrahedrite. Tetrahedrite ...
John Duer Irving, Howland Bancroft, Whitman Cross, 1911
4
Geological Survey Professional Paper
... 14 Chalcedony I4 Monazite I4 Primary ore minerals I4 Huebnerite I4 Scheelite
15 Tetrahedrite-tennantite 16 Page Description of the vein minerals — Continued
Primary ore minerals — Continued Sulfides 17 Secondary minerals 19 Sulfides ...
Geological Survey (U.S.), 1984
5
Optical Mineralogy: Principles And Practice
Distinguishing features Tetrahedrite Crystals Thin section Polished section
Occurrence Distinguishing features Notes Compared with stibnite, haematite has
a smaller bireflectance, weaker anisotropy, is harder and lacks cleavage.
6
United States Geological Survey Professional Paper
This ore is made up of galena, tetrahedrite, considerable zinc sulphide, pyrite,
and chalcopyrite in small amounts, quartz, and calcite. The mainstay of the district
, however, is copper-iron sulphide ore. It is composed of chalcopyrite and ...
7
The Stability of Minerals
This assumption may be justified on the basis that the Ag-Cu exchange reaction
of interest is the sum of this reaction and the Ag-Cu exchange reaction between
tetrahedrite and metal, Ag + i^Cu1oFe2Sb4S13 = i1oAg1oFe2Sb4S13 + Cu.
Geoffrey D. Price, Nancy L. Ross, 1992
8
Second Report on a Cooperative Investigation of the ...
Tetrahedrite and the ruby-silver minerals are the main silver-bearing minerals of
the rich silver ores. 1n the Augusta vein, which is 1 to 6 feet wide, the ore consists
of the common sulfides with tetrahedrite and ruby silver cementing fauit breccia ...
9
Mineralogical Application on Environments, Archeometry and ...
Tetrahedrite- group minerals rim galena aggregates and are also replaced by
boulangerite (Figure 3e, Radosavljevié et al., 1986). According to both optical
observations and measurements in polished sections (microhardness and
reflectance ...
10
The Enrichment of Ore Deposits
Tetrahedrite appears to be primary in Clear Creek County, Colo.1 At Cripple
Creek, Colo., it is primary and persists to depths of 2,000 feet below the surface.2
It is found also at Nevada City 3 and, inter- grown with electrum, at Ophir, Cal.4 At
...
William Harvey Emmons, 1917
НОВОСТИ, В КОТОРЫХ ВСТРЕЧАЕТСЯ ТЕРМИН «TETRAHEDRITE»
Здесь показано, как национальная и международная пресса использует термин
tetrahedrite в контексте приведенных ниже новостных статей.
A startup is finally bringing heat-to-power tech in a big way for vehicles
In contrast, Alphabet Energy is using abundant and low cost materials like tetrahedrite and silicon. Alphabet Energy is aiming for a sort of “Intel-inside” type of ... «Fortune, Июн 15»
Mill Creek freshman a big winner at international Intel science …
Say the following out loud: Application of Tetrahedrite and Magnesium Silicide in a Novel Thermoelectric Unicouple to Generate Electricity from Industrial Waste ... «The Seattle Times, Май 15»
Waste Heat Is Everywhere—But Can It Be Economically Recovered?
The materials currently in production at Alphabet are a combination of magnesium silicide and tetrahedrite. "We latched onto tetrahedrite because it is a light ... «Greentech Media, Май 15»
Bremerton science fair blows minds
WSSEF Silver Medallion: Sriharshita Musunuri, 9th grade, “Application of Tetrahedrite and Magnesium Silicide in a Novel Thermoelectric Unicouple to Generate ... «Bremerton Patriot, Апр 15»
6 Supermaterials That Could Change Our World
Alphabet Energy says tetrahedrite can reach 5 to 10 percent efficiency. Back in the lab, scientists have also been tinkering with another promising and possibly ... «Gizmodo, Янв 15»
Global Minerals Releases Positive Preliminary Economic …
The Project's focus mineral for concentration is tetrahedrite. Past test work has demonstrated the silver and copper content of tetrahedrite is fairly consistent and ... «Yahoo Finance UK, Дек 14»
A container-sized generator that converts waste heat into energy
However, Alphabet Energy's material – based on the mineral tetrahedrite – amply satisfies requirements. First developed by researchers at Michigan State ... «The Guardian, Дек 14»
Oct. 22, 2014: Alphabet Energy Introduces Generator That Runs on …
However, Alphabet's proprietary advancements in silicon and tetrahedrite have enabled the company to create highly efficient thermoelectric materials that use ... «ACHR NEWS, Окт 14»
New Generator Powered Solely By Heat, Not Fuel
At the heart of the new generator, created by Alphabet Energy of Hayward, Calif., is tetrahedrite, an abundant, highly efficient and affordable thermoelectric ... «OilPrice.com, Окт 14»
A Thermoelectric Generator That Runs on Exhaust Fumes
Earlier this year, though, it licensed a different class of materials called tetrahedrite from Michigan State University. Tetrahedrite is an abundant, naturally ... «IEEE Spectrum, Окт 14»
