KSIĄŻKI POWIĄZANE ZE SŁOWEM «ORTHOPINAKOID»
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1
Die Fortschritte Der Physik
Die Zwillingsbildung geht nach dem jetzigen Orthopinakoid, wie sie im
unentwässerten Skolezit nach dem damaligen Orthopinakoid ging. Die Ebene
der optischen Axen liegt senkrecht zum jetzigen Klinopinakoid, macht mit der Axe
с einen ...
2
Bulletin International: Résumés de Travaux Presentés. Classe ...
... zu bringen, machte m zur Basis, 0 zum Orthopinakoid. c) Denselben Zweck
verfolgte auch G o l d s c h m i d tfi') der noch vier weitere Aufstellungen
angegeben hat, die in der nachstehenden Tabelle als Gdt I.-‚ II., III., IV„
eingetragen sind.
Ceská akademie ved a umení, Prague, 1912
3
Elementary Crystallography
The orthopinakoid {100} is rarely seen, and a cross-section is therefore six-sided,
not eight- sided as in the pyroxenes. The prism angle is about 560. The
commonest terminations are the clinodome {011} and the positive hemi-
orthodome {101} ...
John W. Evans, George MacDonald Davies, 1940
Cleavage: Very perfect parallel to the orthopinakoid. Also found massive, and
with broad cleavage surfaces. Colour: Greyish or greenish. Translucent to
subtranslucent Streak: Oolourless. Lustre. Pearly, but vitreous on cross-fractured
surfaces.
5
The Study of Rocks: An Elementary Text-book of Petrology
In the variety sanidine the orthopinakoid is usually less developed than in
common orthoclase. Angle of oblique rhombic prism 118° 48'. Cleavage parallel
to the base and clinodiagonal very perfect and at right angles ; parallel to one or
other ...
6
Report on Deep-sea Deposits Based on the Specimens Collected ...
Augite, fragments irregularly bounded or with cleavage planes, often crystals of
the ordinary form, coated with volcanic glass, twinning parallel to the
orthopinakoid, cleavage parallel to the prism of 87° 6', greenish, yellowish,
brownish, purplish ...
Great Britain. Challenger Office, Sir John Murray, A. F. Renard, 1965
7
The Mineralogical Magazine and Journal of the Mineralogical ...
fig. 27 after (c) rotation on the normal to the orthopinakoid ; and fig. 28 after (d)
reflection on the orthopinakoid. All these fcwinning-operations produce an
indistinguishable result. Figs. 22 and 23 are projections on the plane at right
angles to ...
8
Summary of Progress of the Geological Survey of Great ...
Simple or repeated twinning on the orthopinakoid is occasionally seen and the
optic axial plane is parallel to the plane of symmetry. The pleochroism is X pale
yellow or straw coloured, Y pale reddish brown, Z darker red brown; the tints are
...
Geological Survey of Great Britain, 1908
... axial plane), and in consequence showing neither axis nor bisectrix in
convergent light. Its outlines are generally six-sided, though not of symmetrical
shape. Its bounding faces seem to be the basal plane (001, M), the orthopinakoid
(100.
10
Mineralogical Magazine
The mineral is somewhat concentrated into folia and porphyroblastic crystals up
to 5-0 mm. in length, and is markedly flattened parallel to the orthopinakoid so
that sections cut parallel to the schistosity exhibit numerous porphyroblasts,
deeply ...
