Even if cracked opals don’t break right away, they have little durability in jewelry, and the fractures spoil the beauty and clarity of the gem. For quality control, producers and dealers single out ...
The review was completed by former Land and Environment Court Judge and NSW Attorney General, Terry Sheahan AO. Key figures in the opal trade have criticised the recommendations, suggesting they’ll ...
The best jewelry brands do more than accessorize ... Lab-grown diamonds and gemstones have also surged in popularity, offering sustainable and ethically sourced alternatives.
In describing colored gemstones, the major factors influencing color are hue (position of a color ... Now if we stretch or compress that perfect sphere in a single direction, it becomes dimetric: a ...
The stone can be highly polished and cut into a multifaceted gem with the brilliance of a more expensive gem. Fluorite is sometimes confused with emeralds, amethysts and garnets for this reason. Large ...
Every year the world-renowned Tucson Gem, Mineral & Fossil Showcase is like a time portal, a trip around the world, and a treasure hunt all rolled into one. Every winter, more than 65,000 guests from ...