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  2. Tourmaline - Wikipedia

    en.wikipedia.org/wiki/Tourmaline

    Dravite species such as green chromium dravite and brown dravite are diamagnetic. A handheld neodymium magnet can be used to identify or separate some types of tourmaline gems from others. For example, blue indicolite tourmaline is the only blue gemstone of any kind that will show a drag response when a neodymium magnet is applied.

  3. Elbaite - Wikipedia

    en.wikipedia.org/wiki/Elbaite

    Elbaite, a sodium, lithium, aluminium boro-silicate, with the chemical composition Na(Li 1.5 Al 1.5)Al 6 Si 6 O 18 (BO 3) 3 (OH) 4, [4] is a mineral species belonging to the six-member ring cyclosilicate tourmaline group. Elbaite forms three series, with dravite, with fluor-liddicoatite, and with schorl.

  4. List of minerals recognized by the International ...

    en.wikipedia.org/wiki/List_of_minerals...

    Mainly: pyrochlore, tourmaline and amphibole supergroups, arrojadite, and yftisite-(Y). IMA/CNMNC revisions generate hypothetical solid solution endmembers. group – a name used to designate a group of species, sometimes only a mineral group name.

  5. Gemstone Meanings: Power and Significance of the 25 Most ...

    www.aol.com/gemstone-meanings-power-significance...

    Tourmaline “A favorite stone of gem collectors for its beautiful crystalline structure and tonal variety from pink to blue-green, tourmalines are a heart-centric stone that can enhance self-love ...

  6. List of minerals - Wikipedia

    en.wikipedia.org/wiki/List_of_minerals

    Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...

  7. Optical mineralogy - Wikipedia

    en.wikipedia.org/wiki/Optical_mineralogy

    Some minerals are colorless and transparent (quartz, calcite, feldspar, muscovite, etc.), while others are yellow or brown (rutile, tourmaline, biotite), green (diopside, hornblende, chlorite), blue (glaucophane). Many minerals may present a variety of colors, in the same or different rocks, or even multiple colours in a single mineral specimen ...

  8. Today's Wordle Hint, Answer for #1255 on Monday, November 25 ...

    www.aol.com/todays-wordle-hint-answer-1255...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1255 ahead. Let's start with a few hints.

  9. How To Report On Jail Deaths - The Huffington Post

    data.huffingtonpost.com/2016/jail-deaths/howto

    1. Identify jails and police lockups in your community. There may be one county jail in your area but multiple police lockups. Contact the local sheriff and police departments to determine how many facilities hold new detainees, even if it's only for 24 to 72 hours.

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