Why is turquoise blue?
Last Update: October 15, 2022
This is a question our experts keep getting from time to time. Now, we have got a complete detailed explanation and answer for everyone, who is interested!
Asked by: Wilber Dicki
Score: 4.6/5 (11 votes)
Turquoise is an opaque, blue-to-green color derived from a mineral that is a hydrous phosphate of copper and aluminum. The mineral is rare and valuable in finer grades and has been prized as a gem and ornamental stone for thousands of years owing to its unique hue.
How is turquoise blue?
Turquoise in its purest form is a hydrous phosphate compound of aluminum and copper, which creates the medium blue color we all know. Persian and Egyptian collectors prefer this medium blue color. Many say that this color is the most valuable because it is the purest, only having traces of copper or aluminum.
Where does blue turquoise come from?
"The most common places known for good quality turquoise are Iran (Persia), Egypt, Northwest China, Mexico and the southwestern part of the United States. Although there can be mines found in many states, Colorado, New Mexico, Arizona and Nevada are the most common places where you will find them.
Can turquoise be pure blue?
Turquoise can be semitranslucent to opaque, with a color that usually ranges from light to medium blue or greenish blue.
What causes turquoise color?
The light turquoise blue colour is caused by weak absorption in the red part of the visible spectrum. ... For this reason, heavy water does not absorb red light and thus large bodies of D2O would lack the characteristic blue colour of the more commonly-found light water (1H2O).
Top 10 things to know about Turquoise
What mineral makes water turquoise?
But the culprit for the beautiful blue is the limestone! Limestone is composed primarily of calcium carbonate (CaCO3) and is white in color. As the river breaks down this rock into tiny crystals, these crystals will get mixed up into the water.
What makes water greenish blue?
Iron, manganese and calcium carbonate from limestone are all common minerals that can cause water to range in color from red and orange to green and blue. ... Pollution runoff from humans can also increase nutrients in the water and cause an algal bloom. Algae affect not only the health of a river but also the color.
How do you tell if turquoise is real or fake?
Turquoise is naturally a soft stone, but howlite (the turquoise imitation), is even softer. This means that if you scratch your stone and it scratches easily, you most likely have a piece of howlite. But if it's very difficult to scratch your stone, you've got genuine turquoise!
What is the rarest type of turquoise?
Lander Blue Spiderweb Turquoise is some of the rarest Turquoise on earth and in high demand, Buyers must beware of impersonators, the highest grade of Chinese Spiderweb Turquoise is often sold as Lander Blue Turquoise, it takes an experienced professional to detect true Lander Blue Turquoise.
Where does most turquoise come from?
Most quality turquoise from the United States is found in the Southwest, particularly in Arizona, New Mexico, Nevada, Colorado, and California. Turquoise was sacred to Native Americans even before the arrival of Columbus. Most of the mines in these states have run dry and few are operating commercially these days.
Where is turquoise most commonly found?
Turquoise has been mined all over North America for hundreds of years, but its richest deposits have always been found primarily in the southwestern states of Arizona and Nevada. California has also been a popular source of the opaque blue gemstone over the years, with mines found in San Bernardino and Inyo Counties.
What kind of rock is turquoise found in?
Turquoise commonly occurs in veinlets penetrating weathered, aluminum - rich, sedimentary or volcanic rocks (where it has been deposited near the surface from circulating phosphatic waters) in arid climates, and in small, fine-grained, rounded masses and crusts.
Is turquoise close to blue or green?
Turquoise color is difficult to define, most commonly it is said to be a color between blue and green. It is similar to cyan color and in general it depends on the particular shade, but turquoise color's wavelength is usually taken as 490∗10−9 m, so probably it is more close to blue.
How do you make turquoise blue paint?
You can also mix turquoise by adding just a touch of yellow paint to your blue paint. A 1:6 ratio or 1:5 may give good results. Create pale shades of turquoise by adding small amounts of blue and green to white paint.
How do you make aqua blue?
Cyan is considered a primary color in photography and color printing and a secondary light color. You can wave your paintbrush (or a light wand) and make an aqua color by combining a light shade of blue and green or a lot of blue with a little yellow.
Is natural turquoise expensive?
Natural Turquoise Is More Expensive Than Stabilized And Enhanced Turquoise. The price of Turquoise is often associated with it's rarity. ... It's estimated that over 90-95% of the turquoise on the market today has been stabilized or enhanced. This is important to know when buying turquoise jewelry of any kind.
What are the different colors of turquoise?
Turquoise comes in all shades of blue, to blue-green, with a possible shading towards brown-veined greens. It is the natural variations in turquoise that make it appealing. The color of turquoise in American Indian jewelry ranges from brownish green to bright blue.
Does real turquoise have white spots?
Fake turquoise often has white spots, chips in the stone that appear white, and if the nuggets have drill holes: white color present inside the holes!
How can you tell turquoise from Sleeping Beauty?
In the center are chips. The large chunk at the top is a perfect example of Sleeping Beauty as it is found in granite, it's host stone. To the right, a big hunk of pyrite, and below are small pieces of turquoise just beginning to form. The necklaces are natural turquoise.
How can you tell if a stone is real?
Apply heat test by using a lighter, if the stone melts down then it is fake (plastic) and if the stone remains solid then it is original.
What does genuine turquoise mean?
All summed up, Genuine Turquoise is a term to describe gemstones that are cut from pure "hydrated phosphate of aluminum and copper" that is either natural, enhanced, stabilized or dyed and has not been crushed and mixed with any other material. It should not be confused with the term Natural Turquoise.
Why is water greenish blue quizlet?
Why is water greenish blue? Water absorbs infrared and visible red light. When red is removed from the frequency spectrum, the resulting color is greenish blue, or cyan.
What is greenish blue called?
The color cyan, a greenish-blue, has notable tints and shades. ... It is one of the subtractive primary colors along with magenta, and yellow. The first recorded use of cyan blue as a color name was in 1879 ("cyan blue" being the name used for "cyan" in the 19th century).
Why does swimming pool water look blue?
The molecules in pool water absorb light from the red end of the spectrum when sunlight falls on the water. By removing the red, the light which ends up being reflected has a slightly blue hue which can vary in richness by water depth.