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Glossary

Gemstone Education

Lugaro Jewellers presents the finest precious and semi-precious gem stones from all corners of the world. Our Education page is dedicated to giving the consumer more in-depth knowledge and history on some of the gemstones Lugaro is proud to carry.  For each gemstone, you'll read about the stone’s history, its characteristics such as durability, reasons for being utilized as a gemstone and much more.  Enjoy!

Like flowers, coloured gemstones come in every hue, tone, and saturation. Both are born of the earth and evolve into something exquisite. They are warm. They are cool. They are beautiful. But unlike flowers whose beauty fades with time, the beauty of gemstones is everlasting.

Fine gemstones of natural origin have been valued for centuries as sought after and beautiful objects. Gemstones offer an infinite world of beauty, rarity, romance, and mysticism that only nature can create. The variety of shapes and colours available in natural gemstones opens an never-ending range of fashion statements for you and your loved ones.

What is a gemstone?
In order to be classified as a gemstone, a naturally occurring mineral (garnet) or organic material (pearl) must possess beauty, rarity, a reasonable degree of durability, and value.

What Cuts are Gemstones available at?
Gemstones are available in an incredible range of cuts, shapes, and styles thanks to the creativity of gemstone cutters. Traditional shapes include round, oval, pear, marquise, and emerald cuts. Other popular styles of coloured gemstones include the versatile cabochon (rounded, non-faceted forms) and fancy cuts which offer incredible variety and exceptional shapes.

How Is Value Determined?
The value of a gemstone is determined by a combination of its colour, clarity, cut and rarity. While clarity and cut affect the overall value of a gem, colour has the greatest impact on the quality. Generally, the purest and most vibrant colour possible in any given coloured gemstone is the rarest and most valuable.

Which Gemstone Is The Best To Buy?
The most important consideration when selecting a gemstone is that it is a stone you will enjoy. You should choose a stone that fits your lifestyle and possesses a colour you find attractive. Whatever gemstone you choose, you will want to buy the best quality you can afford.

Where Are Gemstones Found?
Gemstones are mined in many countries throughout the world. Most gem materials are minerals which form in the earth when elements combine with heat and/or pressure to develop crystals. Only a very small percentage of these natural crystals are fine enough to be considered gemstones. Some gems, such as pearl and amber, form through the activity of a living animal or plant. One thing is certain; all natural gemstones are a true wonder of nature.

Where Should You Buy Coloured Gemstones?
Consult a reputable jeweller, such as Lugaro Jewellers, whom you know and trust. If you don't know one, it is wise to obtain referrals from friends. Check the qualifications of a jeweller carefully before you make a purchase.

Colour Variations
Gemstones offer a wide variety of colour choices.

  • Single Colour - gemstones are found in only one colour, with variations within that one colour - for example ruby occurs in red, with slight variations of colour.
  • Various Colours - gemstones occur in more than one colour - for example garnets are found in red, pink, purple, orange, yellow, and green.
  • Multi-colour - gems may contain more than one colour in one stone - tourmaline can show two or three different hues in a single gemstone.

Gemstone Colours
The following list gives you an idea of the diverse colours, or hues, found among a number of different gemstones. Consider this sampling of gemstones available within each colour range.

  • Red: Ruby, Garnet, Tourmaline, Red Beryl
  • Pink: Tourmaline, Sapphire, Topaz, Garnet, Pearl, Opal
  • Purple: Amethyst, Sapphire, Tanzanite, Iolite, Garnet
  • Blue: Sapphire, Tanzanite, Tourmaline, Iolite, Aquamarine, Topaz, Zircon
  • Green: Emerald, Garnet, Tourmaline, Peridot, Green Beryl, Sapphire, Jade 
  • Yellow and Orange: Citrine, Golden Beryl, Sapphire, Topaz, Tourmaline, Fire Opal, Diamond, Zircon, Garnet
  • Brown: Smoky Quartz, Tourmaline, Topaz
  • White: Pearl, Moonstone, Jade
  • Colourless: Diamond, Zircon, Sapphire, Quartz, Beryl, Topaz, Moonstone

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