Louis Velazquez has the ability to align clients with genuine raw gold supply opportunities globally. Some clients have a need for a monthly supply of gold which via Velazquez can be accomplished with verified miners and suppliers. Clients must be verified prior to any further steps.
Gold is an extraordinary and rare precious metal, with an unmatched combination of chemical and physical properties. It is the only yellow metal and the name gold derives from the Old English word for yellow, ‘Geolu’.
Gold is the most non-reactive of all metals and it does not oxidize under ordinary conditions, meaning that it will never rust and never tarnish. Gold’s physical properties of high electrical conductivity and chemical inertness make it an excellent and reliable conductor, particularly in harsh environments, where temperatures can range from -55°C to 200°C. No other metal is as malleable as gold. A single ounce of the metal can be drawn into a wire five miles long. Gold is also an excellent conductor of thermal energy. Due to all these specialties, gold is used in various other industrial applications along with jewelry manufacturing.
Gold is widely dispersed through the Earth’s crust and is found in two types of deposits:
These are found in solid rock form and are mined by using conventional mining techniques.
These are gravelly deposits found in stream beds and are the products of eroding lode deposits. Since gold is found uncombined in nature, early goldsmiths would collect small nuggets of gold from stream beds etc., and then weld them together by hammering.
Gold’s purity is measured in karats. The term ‘Karat’ is different from the term ‘Carat’, which is used to measure weight in gemstones. The purity of gold in karat determines its value. The term ‘Karat’ is derived from ancient bazaars where ‘Carob’ beans were used to weigh precious metals.
Pure gold is very soft and pliable, and alloys of different precious metals are combined with pure gold to enhance its durability and strength, as well as creating a blush in the gold’s appearance with different color tones. 24 karat is 100 % pure gold, and is more expensive and less durable than gold that is alloyed with other metals.
Gold purity for the mostly used Karats:
24 Karat – 24K Gold with 100% purity
22 Karat – 22K Gold with 91.6% purity
18 Karat – 18K Gold with 75% purity
14 Karat – 14K Gold with 58.33% purity
12 Karat – 12K Gold with 50% purity
10 Karat – 10K Gold with 41.67% purity
24 karat gold is soft pure gold without any alloys and it has a deep yellow color and a rich luster. Gold of lesser karats (22K-10K) are all alloyed with a combination of silver, copper, nickel and zinc. This adds strength, but if too much is added (in the case of 10K and less) it can dull the color. For beauty and durability, 14K and 18K gold are highly recommended.
In its pure form, gold has a metallic luster with deep yellow in color, but when mixed or alloyed with other metals, such as silver, copper, zinc, nickel, platinum, palladium, etc. then it creates various color hues like white, pink/ rose, green and the seldom found blue, purple and black.
Yellow gold is the most frequently seen and a timeless color. It is usually alloyed with silver and copper. Depending on the karat gold (14K, 18K or 22K), the color of yellow gold may vary from a softer shimmering yellow to a bright rich yellow. This is due to the varying alloy combinations. The color contrast of yellow gold is most suitable to diamonds and other delicately colored gemstones, as they can appear brilliant and vivid.
White gold is harder than yellow gold with a bright lustrous white color. It is most commonly alloyed with a significant percentage of silver, or a mixture of other white precious metals. Palladium and nickel are other precious metals which are alloyed to create white gold. Due to the presence of nickel in the white gold alloy, it tends to be harder than yellow gold. The percentage of gold naturally varies, according to the quantity of additional precious metal, which is included in the formulation of the alloy. White gold is highly reflective and not subject to tarnish.
Pink / Rose Gold
Pink / Rose gold is alloyed with copper, and at times possibly even with silver. The proportions are about three parts of 24-karat gold to one part of copper. These alloys blush and accentuate the gold with a pink hue, which varies in color depending upon the amount of copper blended with the pure gold. The quantity of copper determines whether the gold is pink or more rose colored in tone and highlights.
Pure gold is mixed with silver to get green gold. Although this color is not very popular but still it gives wearer an opportunity to look different.
Other Gold Colors
To get the blue or black colors, iron is alloyed with pure gold whereas to get purple color, pure gold is alloyed with specific percentages of aluminum, tin, and thorium.
Some examples of alloying formulas to achieve gold color variances are:
18K Yellow Gold: 75% fine gold, 15% copper, 10% fine silver.
14K Yellow Gold: 58.5% fine gold, 29% copper, 12.5% fine silver.
18K White Gold: 75% fine gold, 2 % copper, 17% nickel, 6% zinc.
14K White Gold: 58.5% fine gold, 23% copper, 12.5% nickel, 6% zinc.
18K Green Gold: 75% fine gold, 25% fine silver.
18K Pink/Rose Gold: 75% fine gold, 25% copper.
Raw, un-worked gold pricing is based on the karat ratio and the gold weight. But Gold pricing, in finished jewelry or decorative item, is based on a number of factors, including karatage, gram weight, design and craftsmanship. The techniques of construction can make a piece more durable and flexible for added comfort and it may increase the gold price for that piece. Gold jewelry is mainly produced by machine. Any additional hand finishing or textural interest may also raise the cost.
Solid gold is the most frequently seen gold type available in the market but buyers should also be aware of the other gold types available, which deliver comparable beauty at lower value. Naturally, the higher the gold proportions or weight in the other types, the more expensive they are:
It is also known as gold overlay, and refers to a layer of at least 10-karat gold that has been permanently bonded by heat and pressure to one or more surfaces of the support metal, then rolled or drawn to a prescribed thickness. The karat gold must be at least 1/10 of the total weight.
Gold Plate refer, a thin layer of plating of 10-karat gold or better which has been bonded to a base metal. The karat gold content may be less than 1/20, but it must be properly identified by weight in terms of total metal content.
Gold Leaf refers, ultra thin gold plating which is pounded and applied by hand to an object. Gold has helped in shaping the course of human history.
Due to gold’s scarcity and beauty, this metal has become one of the most important metals in our daily life.
Learn More at the Metals Glossary
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