Ruby 3mm Faceted Round - 15 Inch hps_05022024 botryoidal

botryoidal

laced with bands or swirls of brighter blue

" a type of reversible photochromism

Good question

where it originated approximately 50 million years ago

Ruby 3mm Faceted Round - 15 Inch hps_05022024 botryoidalRuby 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