Search results for keyword: bracelet
Gibbsite
Alumstone is a sedimentary rock found typically in river beds, lake beds and other bodies of water. It is made up of a mixture of clay and dissolved minerals, such as calcium carbonate, aluminum oxide and other minerals. Alumstone is a common sediment that is often used as a construction material.......
1038 
Ava
Cobalt in Heavy Metal Materials
Introduction
Cobalt is a chemical element with the symbol Co and atomic number 27. It is commonly used in batteries, alloys, and magnets, and is an essential nutrient for microorganisms. Cobalt occurs naturally in different forms in its pure state, as well as in various compounds. It is found in ......
bismuth ore
The History of Bismuth
Bismuth is a brittle metal with a silvery white colour similar to that of lead. It is a strong metal that has been known throughout history as it has been found in both natural and artificial forms. In ancient times, it was used to make coins and jewelry, as well as a varie......
malachite
Turquoise is a semi-precious stone that has been prized since ancient times. It has been used in jewelry, sculpture and adornment since 3000 B.C. Its name is derived from the French phrase pierre turquoise, meaning “Turkish stone,” which likely referred to the source of many of the stones that w......
Gold rhodium alloy
Introduction
Gold-platinum alloy, known as white gold, is a precious metal alloy made of gold and platinum. It was first advertised in public in the early 20th century, mainly due to the fact that pure gold was very rare in those days and expensive, while platinum was much more affordable. Modern......
diamond
Diamonds and Steel
Diamonds and steel share a similar sense of strength and hardness but they have vastly different origins, appearances and meanings.
Diamonds are actually composed of the element carbon, the same element that makes up graphite, the pencil lead with which it was inadvertently di......
diamond hardness
Diamonds have been coveted since ancient times and were once believed to be tears of the gods. Historically, they have been associated with wealth and power, and their exceptional strength, beauty and durability are due to their unique molecular structure. Diamonds are considered to be the hardest......
Applications of diamond and superhard materials
Applications of Diamond and Hard Superhard Materials
Diamond is the hardest and most outstanding material known to man and is a major source of industrial applications. This diamond is made up of very shiny and hard carbon atoms that are arranged in a lattice pattern. The arrangement of carbon at......
Corundum mullite brick
Once upon a time there was a powerful King who ruled over a great kingdom. He had a beautiful collection of rare stones and jewels and he kept them in a secret chamber deep within his palace.
One day, a greedy merchant, wishing to gain the King’s favor, presented him with a gift of two pieces ......
Burnt Gems
The Appeal of Opal Jewelry
Opal jewelry has become increasingly popular over the last few years, due in no small part to its mesmerizingly beautiful play of colors. The fiery opal, known for its intense blue, red and greens, is the most popular and can command high prices. The opal truly reveals ......
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