Emeralds are found in columbia brazil russia africa and the united states. In today s market there are literally hundreds of gemstones to choose from. Interactive guide to the most popular gemstones. While not a foolproof method of identification some gemstones are more likely to be cut in certain ways. The ability to spot them in their rough form or as part of larger rocks develops with research and time.
The most common cut styles you will run across include faceted cabochon cameo bead and tumbled. The name comes from the greek smaragdos which means green stone. They can also be shiny and glasslike metallic or silky with no reflection. Surface imperfections or markings such as ridges grooves plateaus pits etching or other defects are features that can help you identify a rough gemstone. Emerald is in the beryl family and is a beryllium aluminum silicate mineral with a hardness of 7 5 to 8.
Compare them to your identification chart to help determine your rough gemstone. Study the surface of the stone carefully and note any imperfections on the surface. The more you know about each gemstone s natural environment as well as the color and shape variations the stone most. A study of these features aids in the identification of rough gem stones. Some important gemstones are not here yet.
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Oftentimes ideal cuts are determined by the way light bounces off the crystalline structure of the stone. Darker the color better will be the quality. Semiprecious stones and rocks can be found in most geographical areas around the planet. The list of gemstones below will discuss the difference between a precious stone and a semi precious stone as well as guide you to where the gemstone treatments are discussed. On close examination all natural crystals show ridges grooves plateaus pits and a number of other defects which indicate the disruptions in environmental growth conditions.Examining the color is the next step to identify a gemstone. How to identify rough gemstones. Rough gemstones can appear dull or greasy like butter but not as shiny as glass. It has a trigonal hexagonal crystal structure. For example rough blue sapphires from brazil look just like blue gray rocks whereas a blue sapphire from africa has angled surfaces and a bright midnight blue crystalline appearance.
For example rough blue sapphires from brazil look just like blue gray rocks whereas a blue sapphire from africa has angled surfaces and a bright midnight blue crystalline appearance. Examining the color is the next step to identify a gemstone. Oftentimes ideal cuts are determined by the way light bounces off the crystalline structure of the stone. Compare them to your identification chart to help determine your rough gemstone. The most common cut styles you will run across include faceted cabochon cameo bead and tumbled.
It has a trigonal hexagonal crystal structure. Emeralds are found in columbia brazil russia africa and the united states.
