Geuda is a semi-transparent, pale, and cloudy form of corundum found abundantly in Sri Lanka. For centuries, it was considered low-value, useless gravel. However, in the 1970s, it was discovered that applying specific high-heat treatments to Geuda transforms these dull stones into brilliant, deep Blue Sapphires. This groundbreaking discovery revolutionized the Sri Lankan and global gem trade.
Technically, no. Pearls are classified as organic gemstones because they are created by living organisms (mollusks like oysters and mussels). When an irritant (like a grain of sand) enters their shell, they secrete layers of a substance called nacre to coat it, eventually forming a pearl.
A doublet or triplet is a stone that is composed of two or more pieces. Often, a thin slice of a high-quality, expensive, or naturally colored stone is glued to a base of a cheaper material (like black glass or plastic) to make it look larger or more expensive. Always check the sides of a…
While there are simple observations you can make at home, professional identification is always best. Here is what experts look for: Weight (Specific Gravity): Real gemstones are generally denser and heavier than glass fakes of the exact same size. Temperature: Genuine stones often feel cool to the touch and take longer to warm up in…
The standard “Round Brilliant Cut” is the most popular style for diamonds and many other gems because it has been mathematically designed to reflect the maximum amount of light back to the viewer’s eye. It creates the highest level of brilliance and sparkle compared to other shapes. Would you like to know anything else, perhaps…
Yes. While Diamonds are at the top (10), Amber is considered one of the softest, sitting at about 2 to 2.5 on the Mohs scale. Because it is essentially fossilized tree resin, it is very delicate and can be scratched by a fingernail or even a copper coin!
Yes! While stones like quartz and sapphires are found on multiple continents, some are location-specific: