«PIEMONTITE»に関連するポルトガル語の本
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1
Disilicates and Ring Silicates
In some of the manganiferous schists of the Chiroro River area, Hidaka
Mountains, Hokkaido, Japan (Grapes and Hashimoto, 1978), piemontite (Table 6,
anal. 20) associated with viridine, spessartine, Mn-rich white mica, Mn-tourmaline
and ...
William Alexander Deer, Robert Andrew Howie, J. Zussman, 1997
2
Rock-forming Minerals in Thin Section
corundum hematite corundum vesuvianite dolomite та gehlenite tourmaline
tourmaline gehlenite О) ф siderite siderite tourmaline с scapolite vesuvianite
vesuvianite piemontite piemontite aenigmatite piemontite titanaugite chloritoid
chlorite ...
Hans Pichler, Cornelia Schmitt-Riegraf, 1997
3
Field Guide to Rocks & Minerals of Southern Africa
189: The manganese variety of epidote, piemontite, partially coating a quartz
crystal, from No. 5 Shaft, Messina mine, Limpopo Province. The piemontite
crystals are 7 mm long. 195: Euclase crystals, 5.5 cm, from the Last Hope mine,.
from the ...
piemontite (Abraham & Schreyer 1976) and 0.25 pfu in phlogopite coexisting with
piemontite and braunite (Brown et al. 1978). Similarly, the content of Zn is
typically 0.001- 0.002 pfu. but increases to 0.008-0.013 pfu in biotite coexisting
with ...
M. E. Fleet, Robert Andrew Howie, 2003
5
Issues in Geology and Mineralogy: 2011 Edition
Publisher contact information for the journal Contributions to Mineralogy and
Petrology is: Springer, 233 Spring St., New York, NY 10013, USA. (2010 APR 16)
University of Bern: Crystal chemistry of Mn2+-, Sr-rich and REE-bearing
piemontite ...
6
Mineralogy of Pennsylvania 1922-1965: Supplementing and ...
The mineral was found in close association with tiny needles of piemontite, a
reddish, vividly-pleochroic, manganiferous member of the epidote group. The
scheelite occupied the central parts of very small cavities in lithophysal and
spherulitic ...
Piemontite Monoclinic Ca2( Al,Mn+3,Fe+3)3(Si04)3(OH ) A calcium aluminium
manganese iron silicate hydroxide belonging to the epidote group. Piemontite
typically develops as a result of low-grade metamorphism of manganese-rich
rocks.
8
Blueschists and Eclogites
The multiple generation of piemontite, as a member of the HP assemblage as
well as a mobilized-vein constituent and a product of the breakdown of certain
pyroxenes, is testified also by the zonation profiles that show either dark-brown ...
Bernard W. Evans, Edwin H. Brown, 1986
9
Mineralogical Applications of Crystal Field Theory
4.4.2 Stability of Mn“ ions in epidote and andalusite 4.4.2.1 Piemontite The Mn3*
ion, 3d', is relatively unstable and, as noted in §2.5, Mn(HI) compounds readily
undergo oxidation, reduction and disproportionation reactions forming more ...
Piemontite. Valle d'Aosta/Italy Ca2(Mn3+,Fe3+)(Al,Mn3+)2[O| OH |SiO4 |Si2O7]
Streak cherry red. Mohs' hardness 6-61/2. Specific gravity 3.4-3.5. Characteristics
: red, brownish red, reddish black to black. Luster: vitreous; translucent to ...
