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Gems and Precious Stones
Gems and precious stones are cut or polished minerals used to create jewelry, accessories and other ornaments. Some of the most popular precious stones include amethyst, aquamarine, diamond, emerald, opal, ruby, sapphire, topaz, and turquoise.
1,193 Questions
How much would a small piece of Carnelian cost?
The cost of a small piece of Carnelian can vary depending on its size, quality, and where it is being sold. On average, a small piece of Carnelian can range from $5 to $20.
Do bone spurs feel like walking on broken glass?
Bone spurs feel alot like that. If it takes you awhile to get out of bed and on your feet. It's time to see the foot Doctor. It may be fallen arches. A common problem and pretty easy to fix.
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Heel spur pain is often most intense after long periods of rest from being on your feet. Morning heel spur pain is often the most severe type of heel spur pain. The reason for this is: As you move during the day, the nerves surrounding the heel spur adjust around the spur so that the heel spur is not digging into them. After long periods of rest, such as when sleeping, the nerves relax back into their normal position. Thus, when you get out of bed in the morning, pain can become intense as you are putting weight on the heel for the first time causing the heel spur to be pushed into the sensitive nerves and tissues.
What is a karat use to measuse?
A carat (also spelled karat) is used to measure precious stones. A carat is 200 milligrams. Another use of the word carat is to measure the percentage of a precious metal in an alloy.
How big is the biggest black pearl ever found?
rare black pearl of 8 mm nucleus
22 mm nucleus-sized white pearl
There are two different types of Jade. Only one type is real. New Zealand jade is extremely cheap and can be purchased for one dollar per gram. Real jade is valuable and can cost around 3,000 dollars an ounce.
Yes, sardonyx is a form of chalcedony, which is a type of silica mineral. This makes sardonyx a silicate mineral due to its composition of silicon and oxygen atoms.
When was the first black pearl found?
Pearls have been recovered from shellfish in the oceans for thousands of years, and before man learned to write. There will be no record of the discovery of the first black pearl. Use the link below to read something about the history of pearl diving and more about the pearl itself.
What are all the colors of topaz?
Topaz actually has an exceptionally wide color range that, besides brown, includes various tones and saturations of blue, green, yellow, orange, red, pink, and purple. Colorless topaz is plentiful, and is often treated to give it a blue color.
How many carats is a stone that is 10mm by 11mm by 4mm?
Your answer depends on the type of stone and the cut. The measurements you give are approximate to a sort-of princess cut, but the measurements you give are not 'true' for the ratios defined by the cut.
Your local jeweler or certified gemologist can weigh the stone for you and give you its carat weight and type.
What does it mean ring weighs 3.1 dwt?
A ring weighing 3.1 dwt (pennyweight) indicates its mass in a traditional unit used in the jewelry industry. Since one pennyweight is approximately 1.555 grams, a 3.1 dwt ring would weigh about 4.82 grams. This measurement helps jewelers and buyers understand the weight and value of the metal used in the ring.
What is Louisiana's state stone?
The official state mineral of Louisiana is agate; the state does not have an official state rock or state gem.
20c (US); 12p (UK); 13c (€); or 21c (Canada), as of 25th November 2009.
One Norwegian Krone is worth:
18c (US); 10p (UK); 12c (€); or 18c (Canada), as of 25th November 2009.
NB: Answers are rounded to the nearest whole penny or cent.
For a calculator to find current conversion rates see related links.
Opals are typically found in Australia, with the country being the world's largest producer of opals. They are mined in various locations such as Lightning Ridge, Coober Pedy, and Andamooka. Opals can also be found in other countries like Ethiopia, Mexico, and Brazil.
it can cause of damage, the land or it can crack the land, effect of landslide
Pearls are generally found naturally in mollusks from the fourth class of the Mollusca phylum, bivalvia. These pearl-producing mollusks are often called "pearl oysters," even though they aren't oysters in the strictest sense.
Cultured pearls are grown in a variety of different mollusks and mussels.
akoya - Pinctada fucata martensii
Tahitian (black South Sea) - Pinctada margaritafera
South Sea - Pinctada maxima
Rainbow lip - Pteria sterna
Freshwater - Hyriopsis cumingi, Hyriopsis schlegeli, a hybrid of the two and Cristaria plicata mussels.
What is Urdu name for Emerald?
Urdu or Indian name for Emerald is Panna.
Emeralds are usually treated by polymers or colorless oil in order to hide microfissures and to improve the stone appearance. Emerald prices highly depend on gem color and clarity; for this reason it is rather difficult to carry out the online valuating for emeralds. Unlike other beryl varieties clean pieces of emerald are extremely rare end expensive. We recommend referring to Gemval.com online appraisal as a value approximation within 15-20% accuracy.
Color: Green
Hardness: 7.5 - 8
Refractive Index: 1.57 - 1.59
Density: 2.67 - 2.75
Chemical Composition: Be3Al2(SiO3)6
Crystal Structure: Hexagonal
Origins: Colombia, Zambia, Brazil, Madagascar, South Africa, Zimbabwe, Russia, India, Pakistan, Australia, USA, Pakistan.
How do people adapt in Coober Pedy?
Coober Pedy lies in an exceptionally hot and dry region of South Australia. Coober Pedy is unique for its underground homes, which are dug into the earth to help shield the residents against the summer heat and winter nights.
