EMERALD ROUGH 

THESE STONES WERE MINED IN BRAZIL  FROM A LARGE PARCEL DIRECT FROM THE MINER. THEY ARE OF A SMALL SIZE BEST SUITED TO BEADS -GEMS STONE PAINTINGS ECT. THEY ARE NATURAL STONES UNTREATED BUT STORED IN OIL.

SIZE OF LARGEST STONE  6 X 5 X 4 MM APPROX.

 WEIGHT OF PARCEL  102.80 CTS APPROX.

EMERALD IS A VARIETY OF THE MINERAL BERYL, COLORED GREEN BY TRACE AMOUNTS OF CHROMIUM AND SOMETIMES VANADIUM. BERYL HAS A HARDNEDD OF 7.5 – 8 ON THE 10 POINT MOHS SCALE OF HARDNESS. MOST EMERALDS ARE HIGH INCLUDED, SO THE BRIGHTNESS (RESISTANCE TO BREAKAGE) IS CLASSIFIED AS GENRALLY POOR. THE ORIGIN OF THE WORD “EMERALD” IS SAID TO BE A SANSKRIT WORK MEANING “GREEN”. EMERALDS COME IN MANY SHADES OF GREEN AND BLUISH GREEN. THERE IS A WIDE SPECTRUM OF CLARITY, DEPENDENT ON THE INCLUSIONS AND FRACTURES IN THE CRYSTAL. CLEAR STONES WITH DARK YET VIBRANT COLOR COMMAND THE HIGHEST PRICES. THE VALUE OF AN EMERALD DEPENDS ON THE CUT, COLOR, CLARITY AND CARAT WEIGHT.

Most emeralds are oiled as part of the post lapidary process, in order to improve their clarity. Cedar oil, having a similar refractive index, is often used in this generally accepted practice. ^] The amount of oil entering an emerald microfissure is roughly equivalent to the size of a period (full stop) in print. The use of green-tinted oil is generally not considered acceptable by the gem trade

(MGW) EMERALD ROUGH 0.85 CTS FP 1141 mineralgemworld

KASHMIRE EMERALD ROUGH 6.50 CTS [MX 6835 ] mineralgemworld

KASHMIRE EMERALD ROUGH-NEW MINE 2.20 [1622] QUALITY ROUGH

COLOMBIA EMERALD ROUGH 2.00 CTS [F1632 ] QUALITY ROUGH About Emerald Rough Natural Emerald rough is ideal for beginners or professional cutters. Rough is ready to shape and polish or facet or make beads on lapidary equipment. Emerald is a variety of the mineral beryl, coloured green by trace amounts of chromium and sometimes vanadium. Columbia has been the most important source of finest grade emeralds. It is a highly sought-after precious Gem, the most famous and favoured green stone, which for centuries has been widely used in the creation and encrustation of jewellery and everyday items. In combination of its colour, together with the durability and rarity makes it one of the most valuable gemstones. Emerald is the birthstone for May. Emeralds have one of the longest histories of all gemstones, since the time of Cleopatra and ancient Egyptian pharaohs. Dating back 1500 BC where ancient mining tools have been discovered at the entrance of emerald mines. Emeralds have set the standard for the ultimate colour in green gemstones. - Their Chemical Composition number is Si03 and its hardness ratio is between 6 to 8. When purchasing an emerald, colour is the most important factor. An optimum choice would be a consistent rich, luminescent velvety green colour throughout the stone. As emeralds gemstones are both rare and valuable, it gives opportunity for development of synthetics. There are many fakes and synthetics, therefore any important purchase of emerald is recommended to have a Gemological certificate for authenticity, retrieved from a reputable Gemological laboratory.  Emeralds are very fascinating gemstones. Emeralds are admired for their radiant green color. As with natural Emerald stones, slight inclusions are tolerated.  Top quality Emeralds, compared to diamonds are even more valuable than the diamonds. The Incas and the Aztecs of South America regard the Emerald crystals as a Holy gemstone.  In Ancient times Emeralds are highly regarded for their healing properties and also Promises “good luck”, therefore the Indian Maharajahs treasure chest contain an assortment of Emerald stones. The green color of the Emerald represents harmony, and love of nature. Green is perceived as colour that never tires the eyes. The Zimbabwe emeralds are the oldest gemstones in the world. Emeralds were already growing 2600 million years ago. Pakistan emeralds were found 9 million years ago. Where do they come from and how is it that they exist at all? In order to answer these questions, we need to look far, far back into the time of the emerald's origin. Emeralds from Zimbabwe are among the oldest gemstones anywhere in the world. already growing 2600 million years ago. Emerald rough suppliers on GemRockAuctions include Quality Rough, Stars and Gems,Mineralworld,Treasures of The World as manufactures of Emerald rough for cabbing or carving into emerald beads.,Emerald rocks minerals rough from gemstone wholesalers on GemRockAuctions. For any investors, collectors or lovers of this gem, it is recommended to have a Gemological identification certificate for authenticity. It is an independent report from an approved gemmology laboratory, issued by an independent gemologist