- pinacoidal
- pin·a·coi·dal
English syllables. 2014.
pinacoidal
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pinacoidal — … Useful english dictionary
pinacoid — pinacoidal, adj. /pin euh koyd /, n. Crystall. a form whose faces are parallel to two of the axes. [1875 80; < Gk pinak (s. of pínax) slab, board + OID] * * * … Universalium
Nambulite — Gem quality nambulite from the Kombat Mine, Grootfontein District of Namibia (size: 0.7 x 0.6 x 0.4 cm) General Category Inosilicate … Wikipedia
Kyanite — General Category Silicate mineral Chemical formula Al2SiO5 … Wikipedia
Crystal system — Diamond crystal structure consists of face centered cubic lattice. In crystallography, the terms crystal system, crystal family, and lattice system each refer to one of several classes of space groups, lattices, point groups, or crystals.… … Wikipedia
Molybdenite — Euhedral molybdenite on quartz, Molly Hill mine, Quebec, Canada. The large crystal is 15mm across General Category Sulfide mineral … Wikipedia
Chalcanthite — General Category Sulfate minerals Chemical formula CuSO4·5H2O … Wikipedia
Albite — is a plagioclase feldspar mineral. It is the sodium endmember of the plagioclase solid solution series. As such it represents a plagioclase with less than 10% anorthite content. The pure albite endmember has the formula NaAlSi3O8. It is a… … Wikipedia
Cleavage (crystal) — Green fluorite with prominent cleavage. Cleavage, in mineralogy, is the tendency of crystalline materials to split along definite crystallographic structural planes. These planes of relative weakness are a result of the regular locations of atoms … Wikipedia
Aenigmatite — General Category Silicate mineral Chemical formula Na2Fe2+5TiSi6O20 Strunz classification 9.DH.40 Cr … Wikipedia
