Gemstone Information

Gem Name Full Description
Agate Agate has been prized since antiquity - this variety of Chalcedony, which in turn is a member of the Quartz family is a colourful and versitile classic. Agate is found in lots of different colours and sometimes has interesting and unique patterns running through, for example Blue Lace Agate and Moss Agate.  Agate is one of the most common materials used in the art of hard-stone carving, and has been recovered at a number of ancient sites, indicating its widespread use in the ancient world.
Amethyst Amethysts colour is as unique as it is seductive. With beautiful purple shades, Amethyst is the royalty of the Quartz family.  Amethyst ranges in hues from pale lilacs to dark, almost black purples. The ideal colour for amethyst is deep to medium purple with rose coloured flashes.  Amethyst often exhibits the phenomena called colour shift - meaning it will change its colour under different lighting conditions; appearing red or reddish purple under incandescent light and bluish purple under daylight. Amethyst is Febuary's birthstone.  
Aquamarine Aquamarine has an intense clarity which showcases a light yet energetic shade of blue. With stunning depth, Aquamarine is a firm favourite from the Beryl family.  Aquamarine can also be found in an opaque form known as Milky Aquamarine. This fun gem can be carved and crafted to produce colourful cabochons. Aquamarine is the blue member of the Beryl family which includes Emerald and Morganite.  Aquamarine is March's birthstone.
Blue Topaz

Blue Topaz, known for its striking colour is a gemstone favourite and a must have addition to any jewellery wardrobe. Blue Topaz can be found in distinctive sparkling shades from rich deep sea blues through to its most natural form of almost colourless with a subtle cool hint of blue. Blue Topaz is a very hard gemstone, a trait it shares with diamond.
Blue Topaz is one of Novembers birthstones.

Chalcedony Chalcedony, known for its mystical appearance, it is an enchanting gem with glowing pastel coloured hues. Chaceldony is found in an array of colours and is known for its smooth and lustorous appearance. This charming gem can be carved and crafted into a variety of shapes and cabochons. Chalcedony has a distinctive waxy lustre and is normally translucent through to opaque. The chalcedony family includes gemstones and minerals such as onyx, agate and jasper. 
Citrine Citrine, the zesty yellow coloured quartz is fresh, vibrant and sure to brighten up your day. Citrine is found in all the shades of yellow from the palest creams, to the deep and rich tones of yellow-orange and even salmon.  Citrine is a member of the quartz family and is naturally a transparent gemstone, with a mellow golden hue.
Diamonds Diamonds symbolise love, praise, achievement and promise and are definitely a girls best friend.  Diamonds are radiant and beautiful gemstones which catch the light and showcase a stunning sparkle. The romantic mystic of a diamond holds its value forever, making diamonds the most popular gemstones in the world. As well as being the hardest natural substance found on earth, Diamonds worn in ancient times were believed to promote strength, invincibility and courage.
Diamond is April's birthstone.

Garnet is recognised as a deep red gemstone that parades many hues and colours. When exposed to light it's raspberry, ruby and crimson nuances make this gemstone a popular choice with jewellery lovers. Garnets can be found in many different forms and express colour changes depending on the whether and if they are seen in daylight or artifical light. The name Garnet is derived from the Latin word “granatus” as it is similar in shape to the seed of a pomegranate. Incidentally, in Greek mythology this fruit is also regarded as a gift of love, and is said to symbolise eternity. 
Garnet is January's birthstone.

Jades Jade is a stunning ornamental gemstone that is steeped in history and has been set in jewellery for thousands of years.  The natural smooth and even texture of jade has made it a preferred material for carving.  Jade's luscious glass-like quality often works as a colourful and bright addition to any jewellery piece.   When used without a prefix, ‘Jade’ refers to the green variety of the gemstone, and is also used as the name of a colour. It can be shaped and carved into the most intricate and beautiful designs.
Moonstone Moonstone, recognisable by its unearthly shimmer is both beautiful and compelling. Exhibiting a soft blue schiller, Moonstone is often associated with magic and the moon.  Moonstones have a very soft moon like glow often refered to as adularescence. As light pours through the gem it catches the very tiny prisms of its crystalline structures, reflecting the beautiful colours of the minerals within. Formed from the largest group of minerals called the feldspar, this subtle coloured gem posses a natural iridescent quality.
Morganite Morganite is a light pink to rose coloured gem discovered in California USA. Morganite is from the Beryl family along with Emerald and Aquamarine, Beryl is essentially colourless and it is formed from foreign elements such as iron, magnesium, chrome and vanadium which turn it into the delightful colours we see and wear.  Morganite is named after the banker J.P. Morgan.
Onyx Onyx is an eye catching and lustrous gemstone, particularly stunning in contemporary and ornamental jewellery and very popular in it's jet black form.  Onyx, with its opaque and smooth appearance is a widely used gemstone but is only found and mined in Madagascar, Uruguay and Brazil.  As an agate, Onyx is part of the quartz family of Chalcedony gemstones. Onyx was used in Egypt as early as the second dynasty to make pottery such as vases and bowls.
Peach Beryl Peach Beryl is simply Morganite that exhibits a peach colour. Its glass like hue dazzles like no other peach-pink coloured gemstone.  Peach Beryl is most usually a pastel like shade, its lushness offers a unique colour that is somewhat rare in pink coloured gemstones. Beryl is a highly respected gemstone and often found in many historical references including the Bible. The Beryl family boasts the finest exoitic gemstones in an array of different colours. For instance, when Beryl is green it is referred to as Emerald and when blue it is known as Aquarmarine.
Pearl Pearl is an elegant yet lavish this satiny pastel coloured gemstone, that has timeless appeal. Pearls are an organic gemstone which are naturally formed in myriad of cool hues, from whites and pastel pinks all the way to stunning blacks and purple tinted greys. From an unwanted grain of sand into one of the most beautiful and recognised gemstone in the world, Pearl is considered one of natures true beauties.  Pearl is June's birthstone.
Peridot Peridot, this brilliant and captivating gemstone exhibits a fresh yet earthy green hue. Peridots come in a wonderful variety of natural shades including lime, yellowish green, olive green and medium to dark green. The depth of green depends on how much iron is contained in the crystal structure.  Peridot is the gemstone formed from the natural mineral olivine. Peridots are one of the few gemstones which are only available in one colour - green. 
Peridot is August's birthstone. 
Pink Tourmaline Pink Tourmaline, fascintating and wonderous, this pink gemstone is sure to brighten your mood and is perfect for any occasion.  Pink Tourmaline's raspberry pink-red colour deepens and lightens depending on the way the light refracts through the gemstone. As a collection of coloured gemstones, the Tourmaline group features some of the most fascinating gemstones; boasting more pink-red hues and firey nuances than any other family of gems.
Prasiolite Prasiolite, a semi precious gemstone, exhibits a soft green hue and is perfect for everyday wear. The colour of prasiolite varies from a pale yellow green to that of a deeper shade of grass-like green. Prasiolite also from the Quartz family has the most mysterious and alluring green hues and is one of jewellery’s best-kept secrets.
Quartz Quartz is one of the largest families of gemstones. Offering many interesting gemstones in an array of colours, hues and shades.  Quartz is one of the most abundant minerals found on earth. It is usually thought of as a clear rock crystal, however can be found in plethora of colours and appearances. The crystals and colours in the quartz family include amethyst, tiger's eye, carnelian, aventurine, onyx, jasper and agate.  Quartz is a durable and versitile gemstone that is sourced  all over the world.  Perfect for jewellery, and also ideal for other more technical uses such as mechanisms in clocks and watches.
Rose Quartz Rose Quartz, is a soft and delicate gemstone often associated with love and romance. It's natural pink colour is rare among other gems and minerals. Rose coloured Quartz is available in a variety of translucent faceted cuts through to opaque cabochons - making it a very versitile and interesting gemstone.  Transparent Rose Quartz is very rare, you would be lucky to find one as it is the only type of quartz which is not commonly found in its crystal form. 
Rubellite Rubellite is a rich and pink-red gem with such a majestic aura you can not help but to stare in to its beauty. Rubellite comes from the colourful family of the tourmalines. Its colour shines in the most beautiful nuances from rich reds to shocking pinks. Mainly found in Brazil and Madagascar, Rubellite is a real treasure and is far rarer than its closest rival the Ruby. 
Ruby is July's birthstone.
Rutilated Quartz Rutilated Quartz is often reffered to as Cupid's darts or Venus' hair stone. This form of quartz takes on the appearance of small bars of embedded gold within the stone.  Whilst other gemstones are famous for clarity, rultilated quartz is highly sought for it's unusual natural inclusions. It's golden needles of rutile give it charatcter and depth.  Rutilated quartz, is a type of quartz with needle-like rutile embedded into it, making each gorgeous stone completely unique and different from the next.
Smokey Quartz Smokey Quartz is a popular gemstone with an earthy tone and is a great stone for unusual and faceted cuts. Smokey Quartz can be found in an array of hues from yellowish brown, through to chocolate brown and stunning black. Historically used as the material for crystal balls used by fortune tellers. Smokey Quartz still retains air of mystique to present day.
Tanzanite Tanzanite, a violet-blue gem from East Africa, is so magnificent; it’s one of our most desired gemstones here at Tomassa. This precious gemstone is only found in one location in the world; Tanzania, Africa and claims to be a thousand times rarer than diamonds, Tanzanite is the blue variety of Zoisite.  Did you know that tanzanite is the first gem to be added to the birthstone list since 1912! 
Tanzanite is December's birthstone.
Topaz Topaz dazzles with it's stunning glass like appearance. Perfect set in yellow or white gold, Topaz gemstones are very versatlie. Topaz shows pleochroism; the appearance of several colours at once, depending on perspective and lighting. One of the most famous Topaz pieces is a giant specimen set in the Portuguese crown the "Braganza" which was first thought to be a diamond. 
Topaz is November's birthstone.
Topaz - London Blue London Blue Topaz, known for its striking royal colour, is often referred to as the colour of the deep mediteranian sea. It has a medium to dark greyish-blue hue and is sometimes described as "steely" or "inky." Blue topaz is the most popular member of the Topaz mineral group. London Blue Topaz exhibits the deepest colour blue, far deeper than other variants of Blue Topaz such as Swiss Topaz and Sky Blue Topaz, making it the most popular and most valuable shade of Blue Topaz. 
Topaz is Novembers birthstone.
Turquoise One of the oldest gemstone materials known to man. Turquiose shades can range from greenish-blues to beautiful, striking sky blue opaques. Turquoise is a fairly soft material which takes a great polish and can display beautiful and individual flecks of pyrite and limonite veining. Highly prized since Egyptian times, Turquoise was named "Turkish Stone" as it was imported to Europe via Turkey. More interestingly, the colour, is derived from the name of the gemstone. 
Turquoise is Decembers birthstone.