Products/Services for Ruby Abrasive Stones

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  • Over artificial precious stones
    So beschlol3u. the syndicate is denoted der Parisian Edelsteinhandler, daD stones cut with the name ruby only of natiirlichem raw material a. each must be Jnwelier for ausdriicklichen declaration of ihmverkaufter obliged sowiezubedingungsloserZuriicknahme of kiinstlicher stones about unwissentlich brought in trade by …
  • The radiation of hot oxides and oxide mixtures in the visible spectral area
    The stones standing to the Verfiigung (women sapphire and ruby ) were cut to Parallelepipeden of (the Kantenlangen were different) same GroBe and became in small Ofchen electrically middle. heated a platinum wrapping. l) The auBere Umhiillung the formed Ofchens a ring of …
  • OBITUARY
    … were acquainted with alum and used it as fireproofing material for wood and in tanning, whilst the more or less pure compounds of aluminium such as the precious stones ruby , sapphire, topaz, etc., and the well-known abrasive emery or corundum have …
  • MONTHLY REVIEW
    … were acquainted with alum and used it as fireproofing material for wood and in tanning, whilst the more or less pure compounds of aluminium such as the precious stones ruby , sapphire, topaz, etc., and the well-known abrasive emery or corundum have …
  • Landolt-Börnstein
    As sintering ruby (Al20 3+2,5 % Cr20 3), it is needed because of its high wear resistance nozzles mechanically highly stressed for stripping stones , grinding wheels, and thread guide as well as for pyrometer protection tubes.
  • Manual for Technical product design
    … bank, parking surface, paving stone, plastic, polarizing microscope, cellular concrete, prism, powders, plaster, pyramid, pyrite, Quarz lamp, Quarz clock, wheel path, grass edge stone, smoking quartz, Rosa quartz, ruby , sacral building, sandstone , sapphire, column, shell, soundproofing, slate, abrasive paper, abrasive paste, grindstone …
  • Manual for Technical product design
    … bank, parking surface, paving stone, plastic, polarizing microscope, cellular concrete, prism, powders, plaster, pyramid, pyrite, Quarz lamp, Quarz clock, wheel path, grass edge stone, smoking quartz, Rosa quartz, ruby , sacral building, sandstone , sapphire, column, shell, soundproofing, slate, abrasive paper, abrasive paste, grindstone …
  • Erdmann‐König, ground plan of the general Waarenkunde. To Use for Handels‐ and Gewerbschulen, as well as for self-cultivation designed by Dr. Otto Linné Erdman...
    1) Gems (precious stones ): hard (diamond, ruby ete.), halbharte (Bergkrystall, opal etc.), w e i ch e (malachite, amber). copy. gebriiuchlichen abrasive forms.
  • Dictionary of Gems and Gemology
    … straight striae, crystal striae, and curved striae. striae; any parallel, small straight lines on the cleavage planes of a stone such as calcite, etc … … in exposed rock by abrasive action. striations on crystal … … o striations. strike of rubies ; a misleading term applied …
  • Dictionary of Gems and Gemology
    It was named as carbuncle with many other red stones such as spinel (ballas ruby ) and garnet. Used as an abrasive such as common corundum or emery, transparent crystals such as ruby, which is …