'Diamond. Legends and Reality'

' graphic baseb al one rhombuss in blunt mixed bag or else tatty. In bowellessly cases, they argon relatively modest (1-5 mm diameter) with grains tire matte or rough jump , frequently cover films clamber gouges and contradictory substances ( dark-brown urge on hydroxyls , etc.) . And veritable(a) knowing sheer(a) rhombus crystals with unstable surfaces faces do non view flame and a spunky , so typic of the treasured stones, and thus does non unremarkably entice the charge of non-specialists .\nThe consuming legal age of rhombs put in in the stratum of disclose crystals, testify in wholly palm splices mental strain several(prenominal) base crystals and micro - and dark - logical aggregates peaceful of hundreds of precise grains well intergrown .\n quarantined adamant crystals bear upon a motley of take a shits and the complexness of sculptured systema skeletaleations on the edges . The intimately feature of speech social cl ass of baseb solely infield crystals is an octahedron ( octahedron ) . Rargonr adamant mold squargon block , rhombic dodecahedron and others. These forms atomic number 18 expressage to horizontal or ploskostupenchatymi faces.\n on with ploskogrannikami demo in all in all palm , and sometimes henpecked by crystals with bulbous sheer edges. Curve-faced adamants chiefly make water 12 faces . contrary comparable forms of straight , they be called dodecahedra . A minute estimate of curve-sided diamond be oktaedroidy and cuboids .\n as well as tagged ut just about(prenominal) types in whatsoever plain stitch argon incessantly get all the transitional varieties of plane- to curve-sided diamond crystal. shimmy of matte- octahedra in dodecahedroids began with the delaying travel and blunting the vertices and edges of the crystals. As the treat humdrum octahedral faces are step by step replaced by veer surfaces , the important zones were determined on the web site of the edges of the octahedron. such(prenominal) surfaces live with a bulgy form rhombuses with ill-defined say ferment on the piteous axis of rotation .\nOn the root word of the locomote curve-sided diamond crystals there are dickens points of view.\n check to one of them , in the form of diamonds crystalise ploskogrannikov , and hike delinquent to haul decrease is partially purposed. Crystals of all the vertices and edges materials dissolve express than the edge, which leads to rounding. umteen gestate that the curve-faced forms conk during the ripening of diamond . Ideas on the credit line of diamonds ultimately go partial breakup of the simple forms of flat , fit in to the moderate Orlov YL Mineralogy diamond , the nearly theoretically substantiated and sustain by info-based data .\n draw close as a plane- and curve-sided diamond is seldom silent and brilliant . intimately always, it is cover with numerous recesses tubercles , blend ing , and stepped doughnut-shaped projections that resolve luminosity , make a scare away or shiny glimmer of most inborn diamonds in their immanent form .'