US$ 25.00
Opal is a natural gemstone made from silica mineral and 90% are found in Australia
as well as other non-standard crimp bead and tube sizes
It contains inclusions such as copper and iron
currently believed to be due to the presence of a copper-based mineral such as Malachite or Azurite
Ruby (Sri Lanka) 3mm Faceted Round AA Grade - 15-16 Inch Stone Type_Blue Apatite Opal is a natural gemstoneRuby is a precious gemstone known for its deep red color. It is a variety of the mineral corundum, the second hardest mineral next to diamond . The presence of chromium is what gives a ruby its red color. Trace amounts of iron can also affect the hue, giving some rubies a slightly brownish or purplish tint. Ruby has long been considered one of the most beautiful and valuable gemstones on the planet. At times in ancient history, Ruby was valued more
US$ 25.00
US$ 251.50
US$ 19.99
US$ 182.50
US$ 55.00
US$ 20.00
US$ 301.00