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  2. Larimar - Wikipedia

    en.wikipedia.org/wiki/Larimar

    Larimar is the tradename for a rare blue variety of the silicate mineral pectolite found only in the Dominican Republic, around the city of Barahona. Its coloration varies from bluish white, light-blue, light-green, green-blue, turquoise blue, turquoise green, turquoise blue-green, deep green, dark green, to deep blue, dark blue and purple, violet and indigo and the larimar can come in many ...

  3. Jadeite - Wikipedia

    en.wikipedia.org/wiki/Jadeite

    Jadeite is a pyroxene mineral with composition Na Al Si 2 O 6. It is hard ( Mohs hardness of about 6.5 to 7.0), very tough, and dense, with a specific gravity of about 3.4. It is found in a wide range of colors, but is most often found in shades of green or white. Jadeite is formed only in the subduction zones of continental margins, where rock ...

  4. Capirote - Wikipedia

    en.wikipedia.org/wiki/Capirote

    A capirote [1] is a Catholic pointed hat of conical form that is used in Spain and Hispanic countries by members of a confraternity of penitents. It is part of the uniform of such brotherhoods including the Nazarenos and Fariseos during Easter observances and reenactments in some areas during Holy Week in Spain and its former colonies, though ...

  5. List of flags containing the colour purple - Wikipedia

    en.wikipedia.org/wiki/List_of_flags_containing...

    In the modern era, synthetic purple dyes became easier to obtain, and flags with the colour purple began being used more commonly. In 1931, the Second Spanish Republic established a tricolour flag consisting of red, yellow and purple stripes as its national flag , seeing use in Spain until 1939 and by the Spanish Republican government in exile ...

  6. Turquoise - Wikipedia

    en.wikipedia.org/wiki/Turquoise

    Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6( PO 4)4( OH)8·4 H 2 O. It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.

  7. Opal - Wikipedia

    en.wikipedia.org/wiki/Opal

    Opal. Hydrated silica. SiO 2 · n H 2 O. Opal is a hydrated amorphous form of silica (SiO 2 · n H 2 O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals.

  8. Ametrine - Wikipedia

    en.wikipedia.org/wiki/Ametrine

    Ametrine, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined in Bolivia. The colour of the zones visible within ametrine are due to differing oxidation states ...

  9. Lapis lazuli - Wikipedia

    en.wikipedia.org/wiki/Lapis_Lazuli

    Lapis is the Latin word for "stone" and lazulī is the genitive form of the Medieval Latin lazulum, which is taken from the Arabic لازورد lāzaward, itself from the Persian لاژورد lāžavard/lāževard and/or لاجورد lājevard. It means "sky" or "heaven"; so this is a "stone (of/from) the sky" or "stone (of/from) heaven". [11]