«TRAPEZOHEDRA»に関連する英語の本
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Northern Ireland: Walker (1960a) reports dull-white trapezohedra of analcime
associated with chabazite, calcite, apophyllite, gyrolite, phillipsite, and levyne at
many localities in the Tertiary olivine basalts of County Antrim. Analcime crystals,
up ...
2
The collected works of Sir Humphry Davy ...: Discourses ...
Crystallized in trapezohedra, contained in lava. 389. L. Near Rome. Massive, red,
imbedded in lava. Sp. 2. ****** Sp. 3. Hexahedral Kouphone-Spar. Triv. Analcime
. 390. L. Fassa, Tyrol. Analcime tripointee. H. 391. L. do. Crystallized in the form ...
Literary and Historical Society of Quebec, Sir Humphry Davy, John Davy, 1829
3
Transactions of the Literary and Historical Society of Quebec
Datholite. Chem. Borate of Lime. 387. L. Arendal, Norway. Massive; of a greenish
white color. Genus V. Kouphone-Spar. Sp. 1. Trapezoidal Kouphone-Spar. Triv.
Leucite. 388. L. Mount Vesuvius. Crystallized in trapezohedra, contained in lava.
Literary and Historical Society of Quebec, 1829
4
A Treatise on Crystallography
The positions of the poles of particular trapezohedra a {421} and o {4T2} are
shown in Figs. 384 and 385. The geometry of this form is most easily understood
by constructing it from one-half of the faces of the scalenohedron described in Art.
40 ...
Sp. 1. Trapezoidal Kouphone-Spar. Triv. Leucite. 388. L. Mount Vesuvius.
Crystallized in trapezohedra, contained in lava. 389. L. Near Rome. Massive, red,
imbedded in lava. Sp. 2. »###** Sp. 3. Hexahedral Kovphone-Spar. Triv.
Analcime.
Literary and Historical Society of Quebec, 1829
6
Shapes, Space, and Symmetry
The faces have a kitelike shape: the solids are called trapezohedra. Like the
Archimedean duals, and for the same reason, the duals to the prisms and
antiprisms can all have spheres inscribed in them that will touch the centers of all
their ...
7
Earth Materials: Introduction to Mineralogy and Petrology
2.5(B)) and trapezohedra (Fig. 13.3). Commonly in distinct crystals but also occur
as rounded grains (see photograph on front cover of this text). May be massive,
granular, coarse to fine. Physical properties: H I 61/2—71/2; G I 3.5—4.3.
Cornelis Klein, Anthony Philpotts, 2012
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Crystallography and Practical Crystal Measurement
trapezohedra possess. These two trigonal trapezohedra are truly
enantiomorphous, not being mutually convertible by rotation. Besides these two
positive trapezohedra, there are two similar negative ones, corresponding to the
two negative ...
Alfred Edwin Howard Tutton, 1922
9
Structure in Nature Is a Strategy for Design
The duals of prisms are called the dipyramids (double pyramids), whose faces
are congruent isosceles triangles [4.14]. The duals of the antiprisms are called
trapezohedra and are double pyramid-like figures bounded by congruent
trapezia ...
10
System of Mineralogy: Silica Minerals
The relative frequency of the few remaining forms of common occurrence on
quartz is uncertain. The positive right trigonal trapezohedra {3253}, {1232}, {2131
}, {3l41}, and {4151} and their positive left equivalents are often noted as small
faces ...
James Dwight Dana, Edward Salisbury Dana, Charles Palache, 1962
