Imperial Topaz which is only natural topaz, this topaz is from Brazil, first we make it cabochon, then put facets on it , its beauty is its internal inclusions, color goes from golden to pink. Pink Topaz is most valuable, Natural pink is very rare, mostly it is heat treated.
The pink, rose, peach, and violet varieties of beryl are called Morganite, if beryl is green it is called Emerald, if beryl is Blue it is called Aquamarine.
Swedish Blue Slag, as the name suggest is from Swedish, it is bi-product of Iron. This comes in various Shades of Blues, Mineral composition is like glass or Silica.