The Abicana webstore - jewelry, gemstones and noble metals
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BACK TO MAIN MENU WITH THE FULL PRESENTATION OF GOODS FROM VARIOUS FIELDS
Jewelry, watches and fashion
Welcome to this online presentation quality jewelry, watches and apparel for an affordable prize. Pleace click on the banners to read more or to make a purchase.
Good online shops to find jewelry and watches
Here are presented some good online shops for jewelry, watches and other apparal to ornate any part of youreslf. There are ornates of all types of noble metals and noble stones, and there are jewelry pieces of any kind of shape and for any placement on the body, like finger rings, ear rings and ear dangles, necklaces, bracelets and cufflinks. You will also find body ornates like bioplast, belly button navel rings, ancle chains or rings, barbell tongue rings, belly Chains, nose rings, eyebrow rings, labrets, nipple rings, retainers, plugs and toe Rings.
jewelry made of robust materials - Jewelry made of extra rough and though noble metals, suited for people of action, like tungsten, zirconium, carbon fiber, titanium, wolfram, stailess steel or ceramic materials containing these elements like tungsten carbide. You also find jewelry of these materials combined or combined with yellow gold, silver or diamonds. Especially many rough ornates for men.
Luxury Italian jewelry, apparel and decors of high artistic value - In this shop you find high class Italian made artworks to wear or carry with you like jewelry ornates, sharfs, belts, caps, hats, bags and shoes. You also find handcraft to decorate your home. There is a great inventory of murano glass artworks. You find artistic products both from worldwide recognized italian houses and from local artists of high quality.
A great diamond shop and a great shop of quality watches of fanous brands - many greatly discounted quality watches - This shop contains a huge collection of diamond jewelry of all shapes and fit for all occations. The shop also has a lot of jewelry with other types of gemstones. A huge inventory of engagement rings of all styles, with diamnonds, with colored gemstones or only of noble metal.
This shop is also great in quality watches for men and women and for all kind of use. There are of cource watches of noble mwtals and ornated with nobles stones, but you can also find watches for sport, diving, aviation outdoor life, work and other demanding settings. Among brands you can find here are Octavius, Rutland, Trench, ZÜM, DRYV, Fatdog,
A general store with a lot of jewelry and apparel, much body jewelry and a great inventory of watches for very law prices. - This is a general law price store with all kind of tecnology, apparel and tools for any use. If you look for body jewelry, this is one of the best places to find it.
A store for discounted electronics and software, including amart watches, digital watches and analog watches - In this store you can find all kind of electronic devices for discounted prices, including electronic wathes and watches with additinal functions like computing and GPS. You also find a lot of software and games here.
Examples of the many jewelry pieces available. See further down for watches
Waches for favourable prices
Some other products and useful information
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For make-up, skin-care and anti-aging products, please click here
Information aboutbout noble metals
Properties and definitions about gemstones - down on this page
Chemistry and physics of gemstones
About the minerals and gemstones in the quarts group
Gemstones in the corundum group - rubines and saphires
Beryl group gemstones, garnets, topaz
What characterizes dive watche
Tourmaline group gemstones
How does gemstones get their colours
About perls and nacre
What is a gemstone - properties of gemstones
Properties of the stone material - physical and chemical properties
A gemstone can be a mineral, that is a crystaline piece where the whole piece have the same basic chemical composition in its crystal lattice. It can also also be a rock art. A rock art contains crystals of different types of lattice composition. In some rare instances also amorphous or glassy substances are used as gemstones. An example is the glassy substanses Opal and Obsidian, and the amorphous substance Ember.
The tern "gemstone" does not have any clear definition. Neither has the term "jewel" used about precious gemstone any clear definition. Here are listed some properties that can make a stone to a gemstone.
Beauty: A gemstone must be beautiful. But beauty consists of several sub-properties. In the following these are listed.
Colour beauty: A pleasant colour is a requirement for a gemstone. A clean clearness as for example in a perfect rock crystal or a clean blackness as for example in a black onyx is also special instances of colour beauty. Either the stone must have a uniform clean colour, or nice shadings of different colours. The colour can be a property of the stone material. It can originate from dissolved chemicals or atoms in the crystal lattice. It can originate from refraction of light within the crystal, as for example in a clear diamant. It can also have its origine in microscopic inclusion of other minerals in a crystal.
Colour play or dispersion: The colour of a stone should not be dead or inert. It should sift somewhat and show to be alive according to the type and strength of light falling upon the stone, and according to the angle of the light. Colour play has its oriogin in light refraction in the whole stone or in layers within the stone. Flourescence may also contribute to a beautiful colour play, but can also sometimes destroy the beauty of a stone. Fluorence is the ability to send back light of another colour than that sent into the stone. Colour play depend very much upon the way a gemstone is cut. For example is a diamond cut to maximize the colour play.
Light play or Brilliance: This is internal or external reflexes from a stone that changes all the time as the angle of light upon the stone or the angle of seeing the stone from are changed. The brilliance can look like thousands of sparcles emanating form the stone all the time. Light play depend very much upon the way a gemstone is cut. For example is a diamond cut to maximize the brilliance.
Purity: A gemstone must be free from ugly inclusions or spots of foreign elements that do not add to the beauty of the stone. It must also be free from dissolved substances that shades for the colour or colour play. An area with many small inclusions of impurities in a stone is often called a cloud. However, inclusions or spots can somentimes also increase the beauty of the stone, for example if the inclusions have fine colours, add colour play or reflect light to increase the brilliance.
Claearness: Clearness is the degree with which a stone is distorting an image seen through the stone. Clearness can be a quality that makes a stone into a gemstone. However, if a stone is unclear in such a way that seeing through the stone gives the impression of a nicely coloured or shaded mist, also this can make a stone to a gemstone.
Robustness: In order to be used as a gemstone, the piece must be enough robust against mechanical impacts, chemical ingredients, temperature or other physical infuences. Robustness consist of several sub-properties:
Hardness: Hardness is a measure of the strongest force a stone can withhold without bursting, and is perhaps the most important property that makes a stone robust. Hardness is measured with a logaritmic scale from 0-10. That means in fact that a stone of hardness 7 is 10 times harder than a stone of hardness 6. Diamonds are one of the hardest substances found, with the hardness of 10 on the scale.
Rareness: A beautyful stone is liker to be regarded as a gemstone if it is rare. Looking at something rare that gives you another experience than all the usual things sou see around you, stimulate the senses and feelings more that looking at any familiar object. However, a stone need not be extremely rare to give this kind of experience.
Symmetry: The colour play, brilliance, clearity or other properties should usually be uniform througout the stone, or show a symmetry according to an axis or point.
Properties related to the way the stone has been crafted
Here are listed some other properties that are used to characterize agemtsones, and especially diamonds.
Crown: This is the top part of the diamond above the girdle.
Cut: Cut refers to the arrangement of a diamond's facets. A diamond which is "ideal cut" captures and reflects back from the interior of the stone the maximum play of light. This is not the same as the shape of a diamond.
Cutlet: This is the bottom facet of a diamond, usually very small. If itoo large, when you look it will look like the diamond has a hole in the middle, straight down through the table.
Eye-Clean: Refers to a diamond that has no inclusions or blemishes visible to the naked eye.
Facet: A polished surface on a diamond. A round, full-cut diamond usually has 58 facets, 33 on the crown and 25 on the pavilion.
Fire: Rainbow colors resulting from the dispersion of light.
Flawless: Diamond without external or internal blemishes or inclusions seen under 10X magnification are calld flawless.
Fluorescence: A diamond will absorbe energy from ultraviolet (UV) light, causing the stone to glow this energy out egain as visible light in various colors.
Full-Cut: A diamond with 58 or more facets.
Gemologist: A person who has been trained and certified in diamonds and colored stones.
Girdle: This is the circumference of a diamond which is usually held by prongs of a setting and separates the crown and pavilion. The purpose of the girdle is to protect the edge of the stone from chipping.
Head: The prongs which hold a diamond in its setting.
Karat: This is another thing than carat-weight of a diamond. This is the measure of the purity of gold; 24-karat being pure gold. Jewelry is made from 18K and 14K gold, and contains other metals for strength.
Laser-Drilled: Treated with a laser to remove carbon spots.
Light Return: The light that is returned from the diamond and not leaked through the pavilion (bottom) of the diamond.
Loupe: A small magnifying glass used to view gemstones.
Off-Make: An ill-proportioned diamond.
Pavé: A method of setting diamonds very closely together, giving the illusion of one or more larger diamonds.
Pavilion: The bottom part of the diamond below the girdle. It has an ideal angle of 40.75 degrees. The pavillion acts as a very highly polished and precise mirror that throws the light back through the other facets.
Point: One-hundredth of a carat.
Refraction: Refraction refers to the bending and slowing of light passing at an oblique angle from the medium of one optical density (such as air) into a medium of greater optical density (such as a diamond). The refraction on passing of the light from air into the diamond and from the diamond back into the air creates the fire of a diamond, because the various colors of the white light are refracted to various degrees and thus separated from each other.
Semi-Mount: A setting which is complete except for the main stone, which will be selected separately.
Shape: This is not the same as cut, shape means the geometric for of the stone. Popular shapes include the round brilliant, marquise, emerald cut, pear and oval.
Single-Cut: A diamond with only 16 or 17 facets.
Sparkle: Flashing effect produced when a diamond is moved in the light.
Symmetry: The symmetry is the quality of efficient light reflection and return. It is a function of proper attention to cutting angles.
Table: This is the largest and most important facet in a diamond situated at the top.
Tiffany: A simple, elegant 2-3 mm ring setting with a head with prongs that holds a single diamond.
Transparency and opaqueness: A stone that let through all the light that comes onto it, is totally transparant. If no light is let through, the stone is opaque.