Natural Red Ruby 3-4mm Faceted Rondelle - 15-16 Inch 60-120mm These form as a criss

These form as a criss cross banding called lamellae

where it originated approximately 50 million years ago

Jade has been used for tens of thousands of years

Trolleite is an extremely rare aluminum phosphate mineral that crystallizes in the form of masses and small prismatic crystals

but it is opaque as well

Natural Red Ruby 3-4mm Faceted Rondelle - 15-16 Inch 60-120mm These form as a crissRuby 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