TYPES OF MATERIALS: stones >> AESTHETICAL ASPECTS: shiny >> COLOR SHADES: very dark >> COLORS: blue >> SECONDARY COLORS:

 BLUE BUTTERFLY
 Brazilian polished natural granite
black vein cut stone

 STARLIGHT SAPPHIRE
 German polished artificially reconstituted quartzite
lightblue vein cut stone

 CHINA BLUE
 Chinese polished natural granite
grey vein cut stone

 AZUL MARINA
 Spanish polished artificially reconstituted quartzite
grey vein cut stone