a 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
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tourmaline::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Type of | mineral, transparent gem |
| Has types | schorl |
Examples of tourmaline
tourmaline
What does a picture of Brazilian tourmaline gems have to do with Congo minerals?
From the guardian.co.uk
Minerals associated with graphite include quartz, calcite, micas and tourmaline.
From the en.wikipedia.org
The digs can yield minerals such as tourmaline, aquamarine, garnets and quartz.
From the orlandosentinel.com
Both have ceramic tourmaline nano technology that leaves hair super shiny.
From the orlandosentinel.com
The result was stacks of stretch bracelets strung with turquoise and tourmaline stones.
From the latimes.com
We found aquamarine, amethyst, topaz, emerald, citrine and tourmaline.
From the stltoday.com
It had lightning conductors or chumbakam made of amber and tourmaline.
From the en.wikipedia.org
The main finds are aquamarine, golden beryl, black tourmaline, garnet, morganite and quartz.
From the washingtonpost.com
In addition the museum has purchased a square purple tourmaline, also rare, from Mozambique.
From the denverpost.com
- A 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
- Tourmaline is a crystal silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gem comes in a wide variety of colors. ...
- Tourmaline is an American rock band from, New Jersey. Formed in June 2004, the band consists of Matt Rauch (lead vocals, Ryan Baredes (guitar), and Max Rauch (Drums). They have released two albums. Strange Distress Calls was released in the United States a year after the band's formation on June 21. It was recorded shortly after they formed in the span of ten days...
- A complex black or dark coloured borosilicate mineral; A transparent gemstone cut from it
- A crystalline mineral that is used as a gemstone. It typically comes in a variety of colors, the most common of which is black.
- A mineral solid consisting of various forms of silicoborate, including the black mineral "Schorl."
- Na(Mg,Fe)3Al6(BO3)3(Si6O18)(OH)4. A compositionally variable mineral found as an accessory in pegmatites and some hydrothermally altered rocks. See also the field guide entry for tourmaline.
- Optimara super miniature variety. See Little Tourmaline.
- Is a gemstone which occurs in every color of the rainbow and combinations of two or three colors.
