conchoidal
Related Words
fractureobsidianglassquartzchertflintsilicashellconchcurvatureconcaveconvexbrittleamorphousmineralgeologypetrologycleavagebreakagesplintershardfragmentedgesurfacetexturemorphologycrystallographyisotropicvitreousvolcanicmagmalavalithologyrockstonehardsharpbladeflakeknappinglithicartifactarchaeologyprehistorictoolcorepercussionpressureripplewavearcspiralgeometrysmoothglossytranslucentopaquedensitystressstraintensioncompressioncrackfissurevoidinclusionmatrixsedimentigneousmetamorphicsilicateoxidecarbonatehalidesulfidelusterstreakhardnesscrystallatticegrainporosity