A.B.C Of Gemstones
Quartz
Group: Quartz
Hardness:7 Mohs
Specificgravity:2.65
Properties: Crystalline; asterism and chatoyancy
The quartz group includes amethyst, citrine, rock crystal, tigereye, and rose, smoky and rutilated quartz. Stones are susceptible to wear as they are only moderately hard, but this makes them ideal for carving and engraving.
Range available: Relatively inexpensive. Good-quality material is usually faceted, with lower-grade crystals being cut as beads or cabochons. Tigereye quartz is found in cabochon form.
Jade
Group: Jade Hardness: 6.5-7 Mohs Specific gravity: 2.96-3.33 Properties: Greasy to pearly lustre
There are two types of j’ade – jadeite, which is a precious gem usually coloured green but also found in a wide range of pastei shades, and nephrite Jade, which is spinach- or sage-green and ideal for carving.
Range available: Both jadeite and nephrite Jade are used for cabochons, beads and carvings. Bright green imperial Jade and lavender Jade can be expensive if the colour is pure and the material is opaque. Dyed Jade will be much less valuable.
Agate
Group: Chalcedony/agate Hardness: 6.5-7 Mohs Specific gravity: 2.58-2.64
Properties: Fibrous, porous aggregates, waxy dull lustre
Agate often contains banding or dendritic inclusions within the microcrystalline structure of the quartz. The base material is translucent, with various mineral deposits causing the effects.Perfect to make a nice piece of fashion jewelry
Range available: Banded, moss and dendritic agates are cut to show the inclusions or colours to the best advantage, often as cabochons or slices available in a wide varietyofshapes, including freeform. The more beautiful the effect in a stone, the higher the price will be.
Peridot
Group: Peridot Hardness: 6.5-7 Mohs Specific gravity: 3.27-3.37
Properties: Distinct striations along the lengths of the crystals
Peridot is also called olivine, which describes its colour. It often contains inclusions of silica, mica or spinel. Polishing with the stone in situ should be avoided, as peridot is quite sensitive to heat, as well as chemicals. Stones are often step or mixed cut to reduce the risk of breakage.
Range available: Paler colours of peridot are inexpensive; lower-grade material is used for cabochons and beads. Large stones with few inclusions will carry a high price and are often used for fashion jewelry.
Opal
Group: Opal Hardness: 5.5-6.5 Mohs Specific gravity: 1.98-2.50 Properties: Iridescent
Opals are a composition of hydrated silica gel with a water content of 5-30 per cent, and are generally described bythe background colour of the stone, which ranges through white, black, orange or red (termed fire opals). Vibrant iridescent flashes of colour give opals a unique quality.
Range available: A wide variety of colour combinations of opal are available, usually cut as cabochons. Because opal is such a temperamental stone to work with, it is often supplied as ‘doublets’ or ‘triplets’. These composite stones have a layer of common opal set under a layer of precious opal. Triplets also have a protective top layer of rock crystal.
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Top Gift For Your Wife In Your Anniversary
Anniversary is celebrated by millions every year. Generally anniversaries are to relive the memories of the wedding day. Some people don’t like to make a big fuss of it and only celebrate it with each other but some people want to celebrate this time with their family and friends. On the anniversary day many people tend to give each other a gift or two from silver jewellery to clothes, books, cds, dvds or something else.
This is time when you forget all the negative things that happened in your relationship and promise each other your love, respect and faith and start all over again. Well that is what most people tend to do, but not everyone has a perfect marriage life. Then again you still have to relive the happy moments you share with your wife.
Jewellery is definitely one item that is used as a gift widely by many people around the World. Women love collection different jewellery sets and wear them too of course, hence more men are buying jewellery for their partners. No doubt on that to be honest. This anniversary I got my partner silver necklaces which matched the silver rings that I bought her in 2009. It doesn’t have to be jewellery it can be anything else just keep reading below.
Flowers are another thing women love. Flowers are a good way of expressing your love. Colourful flowers like love and jasmine expresses the meaning of to love when given to someone.
Going away for few days for anniversary would be a good idea too. What a lovely gesture it would be to take your wife and husband on a romantic weekend away. You can spend some quality time with your partner on holiday, which also relieves you from work tensions and stresses.
Taking women shopping would be another good gesture. Yes if you are a man this might be costly but surely it will make her happy.
Stories About Successful Entrepreneurs Indonesian Gold
Become entrepreneurs jewelry has never occurred to Nunik Anurningsih, let alone start a business when the age is over 50 years. However, in skilled hands to make various crafts have appeared since his childhood.
“As a child I really love making all kinds of goods for personal needs, ranging from embroidery, sewing, painting on T-shirts, jewelry make up room and home interior needs,” said the eldest of three siblings.
Nunik never lived in Singapore 10 years coupled with the past 14 years in England accompanying her three children attend school in the country. Utilized the opportunity to hone his skills in order to produce a variety of foods and crafts that can be produced at home.
Two years ago when it was in Bali with his youngest brother, Ninik A Bawani, suddenly a holiday with their relatives who have made prayer beads bracelet for a celebration souvenir.
Intend to assist, on the island was finally while on vacation they are looking for materials for imitation pearl beads strung together with a bracelet each containing 11 items that could be used for remembrance.
After make 150 bracelets, necklaces order to make prayer beads come back as many as 250 fruit and followed by subsequent orders. As a result, coming home from Bali Nunik and Ninik guided by Allah SWT to go into business, craft beads.
The two brothers hunt diligently raw material as the stones until finally making jewelry necklace unique and artistic.
“Thank God responded with a good result by the consumer until finally we joined a friend who has a handicraft export business and became a business unit of Global Export Services CV with names Aulia Jewellery based in Senggigi, Lombok, Indonesia” he explained.
Like arrows shot, works Aulia Jewellery increasingly varied and present in various exhibitions. Even ogled companies and government agencies to be given guidance to be a superior product exports. Nunik confess actually from a variety of exhibition he’s a lot to learn from fellow jewelry craftsmen to develop the design and materials of jewelry and diamond jewellery.
In the arena of Mutumanikam Nusantara Exhibition 2007 (Indonesia), for example, he sees potential for the use of agate as raw material. When invited to exhibit at Expo Indonesia in Warsaw, Poland, last year by the Ministry of Industry, he began marketing the agate so tied with a silver brooch or a pendant as well as so-called pendeant Brooch, kebaya pins, bracelets, rings, earrings, cuff links (buttons hand ), % and other products.
Depth stories
As a roadshow, its presence in the international arena followed by invitation of other exhibitions in Italy, Europe. In fact, in a diplomatic charity helping Embassy in London, England, in June last year, not only exhibiting Nunik jewelry and design results, but also introduce songket, batik, and various other craft in the presence of invitations from foreign embassies in the country.
This multitalented woman’s love of art and culture of Indonesia. He is therefore not only be a collector of fabric weaving, batik painting and collectors, but also understand the manufacturing process, function or philosophy of motifs woven in Indonesia.
Home from London Nunik got the idea for the pendant, earrings, pearl ring from the original (pintadamaksima). Not only that, he also studied literature and learn firsthand about the pearl in the pearl farmers in Lombok, Bima, Halmahera to Papua (Indonesia).
On its activities visit the pearl farmers directly, she makes the school of nature that made him more understanding of how rich natural resources owned by Indonesia.
If there are buyers who showed great concerns on the pearls, she would not hesitate to share knowledge and care tips. He gave a brief counseling what is meant by mabe half, baroque (irregularly shaped pearls), keshi (pearls are formed without a nucleus in it) and perfectly round pearl.
Every shell that is sent from the centers of pearl designs, one by one and given to the builders of silver to be bound into a luxurious and exclusive jewelry.
Not infrequently he often ambushed affection to sell his plan, because it is not mass produced. When designing jewelry with the theme of flora and fauna, for example, he is considering an existing texture on mabe pearl shell, resulting in a distinctive shape and color.
Apart from the oysters to accommodate the farmers, he also guided 16 silversmiths in Jakarta, Lombok, Bangil and Demak. According to him, silver crafters expertise in each area vary and there are some specific design that can not be made by silversmiths in Lombok, but in Demak, the results could be better.
Jewelry price is ranging from one hundred thousand to millions of rupiah. Nunik claimed more concentration to the problem of designing jewelry, so do not know how turnover of the business.
Find more story and tips about jewelry diamonds here.
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