Mining occurs in countries like Thailand, Norway, and Madagascar.

Also, through heat treatment, the stones can acquire a rich turquoise hue (starlit), green, or deep red (hyacinth). Some of these stones, however, have a yellow or red tint.

Natural zircon (not to be confused with cubic zirconia, pictured below) is an absolutely translucent crystal with a strong diamond-like glitter, also sometimes called “jargoon” or “jargon”. Specific tinting of the gemstones can also be achieved artificially through heat treatment: under the stimulus of high temperatures, amethyst and smoky quartz can acquire a golden or brown hue. Most of the mining is done in Brazil, but the stone is also known to be found in the north of Russia, Canada, and France. Yellow quartz is less common than clear and is therefore valued higher. Dark orange crystals are called “Madera”, and have the highest amount of iron in them. The yellow colour is given to this stone by iron impurities, which can influence the shade to be as light as pale-lemony and as bright as saturated orange. It is extremely hard, making it easier to process, shape and cut. In addition to the basic overall yellow hue, the gem can have an alexandrite effect or a 'cat's-eye' effect, making the stone look mysterious and exotic.Ī variety of quartz, this stone has a sunny golden hue. It is definitely a stone to have in your collection of jewellery.ĭravite is the name given to yellow tourmaline, and its hue varies from pale yellow to a darker brown tint. This is the most valued tourmaline, receiving prices as high as $600 per carat. Polychrome tourmaline, also known as watermelon tourmaline, can have a yellow, raspberry and green hue at the same time, or shift colours depending on lighting. Depending on the colour and the transparency of the gem, tourmaline is classified as semi-precious or “to be used for tool-making”. Pink and raspberry is the most prevalent colour in tourmaline, while blue and yellow are the rarest. Mining is conducted in countries of South and North America.Īs seen with most other stones, impurities determine the hue of tourmaline, too. Yellow topaz can be turned into a pink or a green one. Heat treatment can change the colour of topaz. Yellow is the most frequent naturally-occurring hue for this semi-precious stone, while green, red, blue or purple topazes are much less common. The appearance of the yellow variety of topaz is quite similar to citrine or smoky quartz. The deposits of these minerals can be found in Burma, Shri-Lanka, Madagascar and Afghanistan.Īs a relatively cheap precious stone, topaz is mined worldwide and is very popular in the jewellery-making industry. The average size of yellow sapphires does not exceed 8-10 carats. Some samples get unlucky due to their pale colouring and get written off as colourless. The most precious sapphires have an even yellow tone, with no highlights or impregnations. The shade ranges from lemon to amber, and the colouring of the stone itself is very often not consistent over the whole, it can shift to a different shade under varying light, or it can have streaks of darker hues. Yellow sapphire is the rarer example of the mineral. Sapphires (a type of the mineral corundum) can have many different colours, even though this precious stone is mostly popular for its usual deep blue hue. But even today’s world, the prices on such diamonds are crazy: in 2013, an orange diamond weighed at 14.82 carats was sold at an auction for an almost mythical price of 35.5 million dollars.

In the 1570s, it made its owner, Nicolas de Harlay, seigneur de Sancy, a very rich man.

The higher the lithium content, the more intense the colour is, and the higher the value of the diamond.Ĭoloured diamonds are very expensive – take for example Sancy, once the biggest yellow diamonds known to people (even though very very pale yellow, as can be seen on the picture bellow). Such colouring depends on the amount of lithium in the stone. It can also be orangey like a mandarin, or golden-brown, like cognac. The hue can be faint, like a very watery yellow, or as vibrant as a bright-lemon colour. Only one diamond out of a hundred thousand has a yellow hue. In this blog post, we want to introduce you to the most common and popular yellow stones in the jewellery industry. They have a high value and are appreciated by many people. Their beauty is an obvious quality: lemon yellow, orangey-yellow, golden and slightly brownish crystals are widely used in the jewellery world. Medical and healing powers are ascribed to many yellow stones. Such minerals are recommended for calmness, spiritual recharging and getting rid of depression. Yellow precious, semi-precious and decorative stones symbolise light, warmth and abundance.

Brown yellow gems