Conchoïdal   (translated from French)
Conchoïdal This article is one ébauche to be supplemented concerning geology , you can share your knowledge by modifying it. Conchoïdal says itself what has the aspect of a shell. A break conchoïdale is a frank break curves and smooth that one often finds at the rocks with very fine grain such ...
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Conchoidal fracture
Conchoidal fracture Conchoidal fracture describes the way that brittle materials ... widely traded as a desirable raw material. Conchoidal fractures often result in a curved breakage ... mark on the stone as ripples. Other conchoidal features include small fissures emanating from the ... state at the time of failure. As conchoidal fractures can be produced only by ...
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Dictionario Romanico 021 (Romanica wiki)
... concha (1. [Anat.]; 2. [Arquit.]) UNDE: conchoide-conchoidal; conchyle; conchiforme etc. [edit] conchi·forme adj ANGLESE ... FRANCESE: ITALIANO: PORTUGESE: adj conquiforme UNDE: [edit] conchoidal adj ANGLESE: conchoidal ESPANIOL: FRANCESE: ITALIANO: PORTUGESE: adj concoidal UNDE ...
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Talk:Calcite
... perfect cleavage 75º in three directions and conchoidal fracture. Conchoidal fracture is shell shaped, but this is ...
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Clinohumite
... twinned System Monoclinic Cleavage Poor, basal Fracture Conchoidal to uneven Hardness 6 Luster Vitreous to ... 3.2–3.4, and its fracture is conchoidal to uneven; its streak is white. Clinohumite ...
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Material properties of diamond
... Isometric Cleavage Octahedral; perfect and easy Fracture Conchoidal Hardness 10 Luster Adamantine to greasy RI ... diamond's fracture may be step-like, conchoidal (shell-like, similar to glass) or irregular ...
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Pezzottaite
... aggregate System Trigonal Cleavage Imperfect; basal Fracture Conchoidal to uneven Hardness 8 Lustre Vitreous RI ... typical beryl. Pezzottiate is brittle with a conchoidal to irregular fracture, and streaks white. Like ...
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Strontium titanate
... octahedrons (boules) System Cubic Cleavage None Fracture Conchoidal - brittle Hardness 6–6.5 (5.5) Lustre ... titanate is considered extremely brittle with a conchoidal fracture; natural material is cubic or octahedral ...
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Striking platform
... the flake and most often associated with conchoidal fractures; Double-faceted, a variety of multifaceted ... platform, also characteristically flat and associated with conchoidal fractures; Multifaceted, with three or more facets ...
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Turquoise
... Good to perfect - usually N/A Fracture Conchoidal Hardness 5-6 Lustre Waxy to subvitreous ... pale bluish white and its fracture is conchoidal, leaving a waxy lustre. Despite its low ...
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