Citrine

Citrine

The quest for more never ends. Mother Nature bakes and roasts certain sparkling jewels to spare some captivating embellishments to man. Since ages, kings and queens have been adorning themselves with such grandeur, that, the ragged ones used to wonder. However, today, times and trends have changed.

Here is some information useful to readers.

• Scapolite

Scapolite is a silicate mineral crystal, found in colors like white to colorless. Seen in shades like greenish or gray, also yellow, brown reddish, pink, violet or possibly blue are found in this gemstone.

This interesting gem appears with physical properties which makes it demanded.

Some stones like these show whitish specimens which may occur as semitransparent ones. These resemble chatoyancy (cat's eye effect).

The crystals of this mineral are translucent to transparent with hardness measuring 6.5 Mohs' on scale. Its fine hardness facilitates it to be often cut into cabochons. Moreover, it's a fairly durable gemstone to fashion. It was re-discovered in Brazil after forty years.

• Serpentine

Serpentine counts on its mineral family. Its name has been derived from Latin word serpentinus, meaning serpent rock. Its appearance as green speckled skin of a serpent, serpentine jewelry has been believed to be effective in protection from serpent bites, stings of poisonous reptiles, and poison, in general, since ancient times.

It is said to be recorded into facts that effectiveness of medicine increased after being drunk from a vessel, made from serpentine.

The scaly looking gemstone is found into olive green, yellow or golden, brown, or black shades.

With a greasy luster, it also appears waxy or silky, accompanied with a hardness of 3 to 4.5 Mohs' on scale.

After the rough is cut and polished, the gemstone reflects a nice jade substitute. It resembles a translucent to semi-translucent visibility, appearing in light to dark yellowish green to greenish yellow color.

Serpentine with its pleasant alluring magnificent shades, provide a less expensive alternative for jade.

• Sugilite

Sugilite is named after its discoverer, Ken-ichi-Sugi. He was a Japanese petrologist.

A heavenly delight, Sugilite is a manganese mineral crystal which first appeared on the horizon of jewelry industry, in late 20th century.

Also known as Lavulite, it is sold as Royal Azel and Royal Lavulite in market. Colors like lovely deep purple to purple red are uniquely observed in this gemstone.

Sugilite measures 5.5 to 6.5 Mohs' on scale. Its crystals in large size is quite rare to found. It's fairly durable hardness, makes it a popular choice cut into cabochons or beads.

Such hidden gemstones are valuable to buyers which provide a low cost substitute of costlier ones, to gemstone lovers all over the world. However, there is no reason to be given, to say, that kingly ruby rings or tanzanite pendants are going to be shaken from their top positions.

Ruby Rings and Tanzanite Pendants at Angara.com.

How to tell Citrine from Topaz

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Oval Citrine

Oval Citrine

Okay, so we know that Desperate Housewives star Eva Longoria is gorgeous no matter what jewelry she wears. In fact she could probably dangle a pair of old sneakers from her ears and get away with it. but we're willing to bet that that's because she knows how to make those tennis treads look their best, and not the other way around. Keep a few simple tips in mind and we'll double our bet that you can make the most of your jewelry too.

1. Settle on a Hairstyle

Have you ever seen Eva unclip an elegant updo mid-red carpet? Or swoop her locks into a ponytail halfway through a Spurs game? Neither have we. Nor do we expect to anytime soon, due to a fact that the rest of us fidgety, hair band-toting ladies seem to have forgotten: To settle on a hairstyle before you leave the house means that not only will your hair-free hands convey confidence and allow you to hold a cocktail or two, you will also have the advantage of choosing jewelry for that hairstyle in front of a mirror. While we're at it, may we suggest that when your hair is down, feel free to wear something a little more shiny and showy, so that it is not lost underneath the tresses. On the other hand, err on the simpler side when your ears and neckline are exposed. Too much bling will take away from the real gem (you).

2. If Going Big, Go Beautiful

Eva's prominent cheekbones and oval face shape combine to create negative space along her chinbone where long dangles and big hoops can hang free. Here, bigger earrings lend length to her face (where shorter ones would have the opposite effect), but there is a risk in that any large piece of jewelry inevitably draws a lot of attention. Thus, we doubt that Eva ever just throws any old earrings in and goes. Rather, the earrings she chooses have three things in common: they are confident, graceful and of earthy stones like chalcedony and citrine...characteristics that many would also attribute to Eva herself. This combination results in accessories that complement, not overwhelm, the face they hang from.

3. Simple Can Be Striking

Recently, Eva was photographed wearing a large Green Quartz and layered gold chain pendant necklace. Pendant necklaces provide an opportunity for personalization that other necklaces don't because gemstones come in all shapes, sizes and colors. So if green makes your skin look sallow, choose coral or topaz instead. If you prefer a single, sterling silver chain, go for it. The point is not to copy Eva exactly, but to embrace the elements that make it work - the bold grace of a single, visible stone, enhanced but not overwhelmed by a delicate chain, will only be outdone by your own radiant face.

4. The Engagement Ring

Just to be clear, we doubt that many of our readers are about to receive a ring made of 148 diamonds, or for that matter, marry an NBA star. But we do expect you to feel like a celebrity during your engagement, and we think the trick is making the bling as personal as Eva and Tony did. Eva's darker toned skin cries out for diamonds, so it makes sense that the ring would boast so many. Another option would be to choose a light metal, like sterling silver or platinum, for the band. If your skin is already white enough, then flank the diamond with a couple of small, darker gemstones and a gold band. This will make the diamond pop, no matter its size.

To take it one step further, Tony's handwritten message was engraved inside the shank of the ring. We suggest a comparable, but less pricey italicized inscription on the inside of the band. Think of it as a private message that your finger can read day after day.

Cathy Pitts founded Dasha Boutique, which features customizable, handmade jewelry, in 2003. Go to http://www.DashaBoutique.com today to see artisan-crafted designs that can be tailored to specific stone, metal and size preferences. Orders ship in 2-3 business days.

4.55ct Citrine and White Topaz Sterling Silver Oval Ring

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Loose Blue Topaz Gemstones

Blue Topaz Trillion Cut Gemstone

Blue Topaz Trillion Cut Gemstone

A number of techniques are used to improve color and appearance of natural and synthetic gemstones. The aim is to enhance their beauty, it is desirable, and saleability. Probably the oldest methods is that the heat treatment of gemstones to enhance or change color. Carnelian warming was made in India for over 4000 years and oiling of emerald was known for over 2000 years.

Following progress on technology, there are now many different techniques, using modern equipment such as lasers, and computer controlled heating and irradiating procedures. Lasers are used in diamond drilling to reach the inclusions. They are then evaporated or removed by chemicals before the crack is filled. Some treatments are permanent, such as drilling that others may be temporary. For example, stains and fillings can leak, some stones heated, irradiated, and can disappear or return to their original color.

Most rubies and sapphires are heat treated to improve their color. Sapphires found too dark color may have diminished by heating at 800-1400 degrees Celsius, in oxidizing conditions. Very pale gray-brown material from Sri Lanka called geuda can be changed to blue by heating at temperatures of 1500-1900 degrees Celsious in reducing conditions (without oxygen present). Variations in temperature and the conditions to allow more subtle color changes, some of which only reaches just below the surface while others change the whole rocks. Over Brown Topaz 100 years been heated to provide an attractive pink and amethyst citrine was changed to uncommon.

As well as heating, of precious stones may be irradiated to improve or change their color. They may be exposed to gamma rays or bombarded particles such as electrons, neutrons, protons, or alpha particles. Many colorless Topaz is irradiated and heat treated to blue.

Most emeralds have flaws or cracks that hijack attention from their beauty. Traditional oiling emeralds are a simple process. In essence, it is only a stone involves immersing in oil or deletion surface lines with an oily rag. The oil is then sucked into the cracks, with the result that they are less visible and the stone appears to be clearer and more color.

Nowadays varied colorless oil, wax, and plastics are used in a number of different gemstones. Some remain liquid, others, such as hard resin set in stone or as a surface layer. Turquoise, Lapis lazuli, jade and some chalcedonies are meeting in liquid paraffin or has a surface layer of wax after polishing, which has penetrated the stone to fill cracks and gives a better surface color. In addition, colored oils and resins are also used. Match the color of oils or resins the stone improves color and hide flaws.

If a stone was anointed may feel greasy or leave stain when removed with absorbent material such as a tissue. Years of wear or cleaning with ultrasound may displace any oil and filling the resulting cracks in the stone that will become more obvious and worst of rock will fracture.

Colorful paints and stains can be used also on some rocks. Agate is dyed to imitate stone or give more light, but rather unnatural looking greens and blues to pinks decorated carved parts. Quartz rocks were painted green to mimic Reference to imitate Jade and Ruby.

Stone crushing involves placing a piece of material to reflect, such as a sheet metal behind the stone to change or improve the color and stone to light. Thwarting was used in the UK especially during the Victorian era to strengthen costume jewelry made of paste (glass). Thin layers of gold, spike and other metals can be deposited on the surface of gemstones and crystals to give the area a flower. If the back of the stone is covered, as quality growth would mirror reflectivity and stone appear brighter, and taking the color coating. Quartz crystal coated with a surface layer of gold to give a pale

Learn more about gemstones treated and enhanced or about other gems at our mineral blog.

20x20mm Cushion-Cut 23ct Swiss Blue Topaz

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