The emerald is a regular crystal of beryl that also contains chromium as an impurity. Beryl is the term given to beryllium aluminum silicate (Be2Al2Si6Ol8). … The presence of the chromium impurity makes the colorless corundum crystal red, while the presence of the chromium impurity makes the colorless beryl green.
Why emerald is green Colour?
Emeralds are formed when chromium, vanadium, and iron are present in the mineral beryl. The varying presence of these three elements gives emerald its range of color. Chromium and vanadium make an intense green color. Iron gives the stone a bluish tint.
Do emeralds have to be green?
Emeralds occur in hues ranging from yellow-green to blue-green, with the primary hue necessarily being green. Yellow and blue are the normal secondary hues found in emeralds. Only gems that are medium to dark in tone are considered emeralds; light-toned gems are known instead by the species name green beryl.
What is the true color of emerald?
The true or primary color of the emerald is green and that remains constant. Its secondary hue, however, can range from blue-green to yellow-green, with the latter being the most sought-after variant. Also, only emeralds have a medium to dark color tone.
How green should an emerald be?
Technically a perfect green should be a pure green color, but the most desirable emeralds have a slight blue color in them. Ideally, the gem would also appear eye-clean and visibly free of inclusions.
Do blue emeralds exist?
There is no such thing as a blue emerald. First off, by definition an emerald color ranges from a slight yellowish green to a bluish green. While the tone and saturation of the color are factors in this, the primary color must be green.
Do green rubies exist?
In fact, aside from their coloring, they are essentially the same stone. Both rubies and sapphires are varieties of the mineral corundum. … Pink, orange, yellow, green, and purple sapphires exist as well.
Does Emerald break easily?
Emeralds are resistant to light damage like scratches, but they are very brittle and can easily break if they experience a strong blow. They tend to have a high count of internal imperfections that can lead to them smashing even from something as simple as being dropped.
How can you tell a pure emerald?
The color of the gemstone is often used to indicate its authenticity. Hold your gem up to the light and analyze its color. Real emeralds will showcase a pure green or blue-green hue. Hence, if the stone you are holding displays yellow or brown undertones, it is most likely a fake.
What is the rarest gem in the world?
Musgravite. Musgravite was discovered in 1967 and is arguably the rarest gemstone in the world. It was first discovered in Musgrave Ranges, Australia, and later found in Madagascar and Greenland.
Can emeralds be purple?
This 1.22 Carat 7X5mm Super Premium Purple Emerald Sapphire has been hand selected by our GIA-certified gemologists for its exceptional characteristics and rarity. This item has been sold. Our gemstone specialists would be happy to help you find a similar gemstone.
Why are Zambian emeralds so cheap?
Zambian emeralds are competitively priced
Even though Zambian emeralds are highly desirable because of their clarity and unique colour, they remain a lot more affordable than Colombian stones. The main reason for their generally lower price lies in the history of emerald mining in both countries.
Are real emeralds cloudy?
Flawless emeralds are not cloudy, but are highly transparent or clear. … While most emeralds have minor flaws, the most transparent ones are used for fine jewelry pieces and are much rarer than cloudy Emeralds. Alternatively, opaque emeralds will appear more cloudy and are incorporated into jewelry as beads or pendants.
What color emerald is most expensive?
The deep green gems are the most prized and expensive emeralds. The lovely variety of color is due to the exact amount of trace elements, Chromium, Vanadium and Iron, in the stone.
Can emeralds be black?
TONE AND SATURATION
According to the GIA tone scale, tone runs from 0 (white or colorless) to 10 (black). Fine emeralds tend to fall between 2 and 8. Note that darker does not mean better. Rich color is the darkest one should look for in emeralds.
Are light or dark emeralds better?
When it comes to emerald, many people expect a deep, dark green. But often, the stone they fall in love with is much lighter! Lighter gems reflect more light, making them livelier, and most people prefer them to a darker green with less brilliance.