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  2. Tourmaline - Wikipedia

    en.wikipedia.org/wiki/Tourmaline

    Mohs scale hardness: 7.0–7.5: Luster: Vitreous, sometimes resinous ... The first documented case was in 1890 when Charles Russel Orcutt found pink tourmaline at ...

  3. Rubellite - Wikipedia

    en.wikipedia.org/wiki/Rubellite

    Rubellite is the red or pink variety of tourmaline and is a member of elbaite. Rubellite is also the rarest gem in its family. [2] It is occasionally mistaken for ruby. [3] These gems typically contain inclusions. [4] Notable countries where rubellite can be mined include Afghanistan, Brazil, Madagascar, Myanmar, Nigeria, Russia, and the United ...

  4. Morganite (gem) - Wikipedia

    en.wikipedia.org/wiki/Morganite_(gem)

    Pink: Mohs scale hardness: 7.5 to 8: ... It was also known, with other gemstone minerals, such as tourmaline and kunzite, at Pala, California. In December 1910, ...

  5. Beryl - Wikipedia

    en.wikipedia.org/wiki/Beryl

    Mohs scale hardness: 7.5–8.0: Luster: Vitreous ... biotite, and tourmaline. Beryl is sometimes found in metasomatic contacts of ... The pink color of morganite is ...

  6. Hardnesses of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Hardnesses_of_the_elements...

    Vickers hardness test; Brinell scale This page was last edited on 16 November 2024, at 12:16 (UTC). Text is available under the Creative Commons ...

  7. Elbaite - Wikipedia

    en.wikipedia.org/wiki/Elbaite

    Mohs scale hardness: 7 + 1 ... red to pink: Verdelite: ... Watermelon tourmaline is a zoned variety with a reddish center surrounded by a green outer zone resembling ...

  8. Tsilaisite - Wikipedia

    en.wikipedia.org/wiki/Tsilaisite

    Mohs scale hardness: 7 to 7.5: Luster: Vitreous: Streak: White: Tsilaisite is a manganese rich variety of elbaite tourmaline. [2] ... Tsilaisite can be deep pink, red ...

  9. Corundum - Wikipedia

    en.wikipedia.org/wiki/Corundum

    A rare type of sapphire, padparadscha sapphire, is pink-orange. The name "corundum" is derived from the Tamil-Dravidian word kurundam (ruby-sapphire) (appearing in Sanskrit as kuruvinda). [8] [9] Because of corundum's hardness (pure corundum is defined to have 9.0 on the Mohs scale), it can scratch almost all other

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