Definition of Conchoidal. Meaning of Conchoidal. Synonyms of Conchoidal

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

Definition of Conchoidal

Conchoidal
Conchoidal Con*choid"al, a. [Cf. F. concho["i]dal.] (Min.) Having elevations or depressions in form like one half of a bivalve shell; -- applied principally to a surface produced by fracture.

Meaning of Conchoidal from wikipedia

- conchoidal fracture is a break or fracture of a brittle material that does not follow any natural planes of separation. Mindat.org defines conchoidal...
- fractures are recognized in mineralogy: conchoidal, earthy, hackly, splintery (or fibrous), and uneven factures. Conchoidal fracture breakage that resembles...
- chrysoprase has a hardness of 6 to 7 on the Mohs hardness scale and a conchoidal fracture like flint. The best known sources of chrysoprase are Indonesia...
- Knapping is the shaping of flint, chert, obsidian, or other conchoidal fracturing stone through the process of lithic reduction to manufacture stone tools...
- crystals, they often break as easily as gl**** and then make conchoidal fractures. Conchoidal fracture describes the way in which materials break when they...
- isometric-hexoctahedral class. It has very poor cleavage and is brittle to conchoidal fracture. It is quite soft, with a Mohs hardness of 1.5 to 2, and it has...
- other naturally occurring rocks, obsidian breaks with a characteristic conchoidal fracture. It was also polished to create early mirrors. Modern archaeologists...
- natural volcanic gl****, usually of rhyolitic composition and bearing conchoidal fracture. Also known by the lithologic term marekanite, this variety of...
- penetration twins Cleavage Perfect {010}, imperfect {100} Fracture Uneven to conchoidal Mohs scale hardness 6.5 Luster Vitreous, pearly on cleavage surfaces Streak...
- detached from its core in a Hertzian fashion, the flake propagates in a conchoidal manner from the point of impact or pressure, usually producing a partial...