How do you pronounce tourmaline?
tourmaline
noun
How to pronounce tourmaline?
The word tourmaline sounds like tour-ma-line
/'tɜrmə,lin/
What is the definition of tourmaline?
nouna mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones
What is the definition of tourmaline?
- Tourmaline is a crystalline boron silicate mineral with a unique and complex chemical composition.
What are some common colors of tourmaline?
- Tourmaline can come in a wide range of colors including black, brown, green, pink, red, blue, and purple.
Where is tourmaline found?
- Tourmaline is found in various countries around the world including Brazil, Afghanistan, Pakistan, Nigeria, and the United States.
What are the uses of tourmaline?
- Tourmaline is commonly used as a gemstone in jewelry. It can also be used in various scientific and industrial applications, such as in electronic devices and as a material for heat or electricity conversion.
Is tourmaline a birthstone?
- Yes, tourmaline is one of the birthstones for October.
What is the Mohs hardness of tourmaline?
- Tourmaline has a Mohs hardness of 7 to 7.5, making it a relatively durable gemstone.
What is the chemical formula of tourmaline?
- The chemical formula of tourmaline is (Na,Ca)(Li,Mg,Fe,Al)_3Al_6(BO_3)_3Si_6O_18(OH,F)_4.
Is tourmaline a valuable gemstone?
- Tourmaline can vary in value depending on its color, size, and quality. Some tourmalines, especially those with rare colors or exceptional clarity, can be quite valuable.
What is the origin of the name "tourmaline"?
- The name "tourmaline" is derived from the Sinhalese word "turamali", which means "mixed colors". This reflects the wide range of colors that tourmaline can exhibit.
Are there any famous tourmaline specimens?
- Yes, there are several famous tourmaline specimens, such as the "Empress Dowager" tourmaline, the "Rubellite Queen" tourmaline, and the "Elbaite Queen" tourmaline.
