Definition of Pinacoid. Meaning of Pinacoid. Synonyms of Pinacoid

Here you will find one or more explanations in English for the word Pinacoid. Also in the bottom left of the page several parts of wikipedia pages related to the word Pinacoid and, of course, Pinacoid synonyms and on the right images related to the word Pinacoid.

Definition of Pinacoid

Pinacoid
Pinacoid Pin"a*coid, n. [Gr. ?, ?, a tablet + -oid.] (Crystallog.) A plane parallel to two of the crystalline axes.

Meaning of Pinacoid from wikipedia

- cleavage is mica, which cleaves in a single direction along the basal pinacoid, making the layers seem like pages in a book. In fact, mineralogists often...
- tabular to prismatic crystals with an obvious pinacoid termination. It has four prism faces and two pinacoid faces to form a pseudohexagonal crystal. Although...
- intersect at about 120 degrees in a three-fold direction of the basal pinacoid. Black star sapphire is found in Thailand, Cambodia, Tanzania, Australia...
- (Cu,Zn)2Zn[(As,Sb)O4](OH)3 Crystal system Trigonal Crystal class Basal Pinacoid Space group P3 Unit cell a=8.201(1), c=7.315(1)Å Identification Color Emerald...
- faces, also as tapering six-sided pyramids that can be truncated by the pinacoids. Also m****ive, lamellar and in small grains in sulfide ore bodies Cleavage...
- Predominant crystal faces (prism - prismatic, pyramid - pyramidal and pinacoid - platy). Crystal forms (cubic, octahedral, dodecahedral). Aggregation...
- are generally tabular in habit owing to the predominance of the basal pinacoid; numerous smooth bright faces are often developed on the edges and corners...
- plates, or short prisms, showing hexagonal dipyramids, pyramids and basal pinacoid. {1010}, {1011} and {0001} dominant. May also be tabular or rhombohedral...
- parallel to their length between crossed nicol prisms. Twinning on the ortho-pinacoid is usually evident. The structure of the aluminosilicate framework is the...
- from pale to green Crystal habit Tabular rectangular crystals with two pinacoid faces; foliated or micaceous aggregates Twinning Merohedrally twinned Cleavage...