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  2. Mexican amber - Wikipedia

    en.wikipedia.org/wiki/Mexican_amber

    Some amber sites in Mexico. Mexican amber is mainly recovered from fossil bearing rocks in the Simojovel region of Chiapas, Mexico. It is one of the main minerals recovered in the state of Chiapas, much of which is from 15 to 23 million years old, with quality comparable to that found in the Dominican Republic. Chiapan amber has a number of ...

  3. Aztec sun stone - Wikipedia

    en.wikipedia.org/wiki/Aztec_sun_stone

    The earliest interpretations of the stone relate to what early scholars believed was its use for astrology, chronology, or as a sundial. In 1792, two years after the stone's unearthing, Mexican scholar Antonio de León y Gama wrote one of the first treatises on Mexican archaeology on the Aztec calendar and Coatlicue. [23]

  4. Echeveria elegans - Wikipedia

    en.wikipedia.org/wiki/Echeveria_elegans

    Echeveria elegans is a succulent evergreen perennial growing to 5–10 cm (2–4 in) tall by 50 cm (20 in) wide, with tight rosettes of pale green-blue fleshy leaves, bearing 25 cm (10 in) long slender pink stalks of pink flowers with yellow tips in winter and spring.

  5. Column: Spring bling and colorful things: Any way you look ...

    www.aol.com/column-spring-bling-colorful-things...

    Talk about your spring cleaning. Palm Beach fashion designer, artist and Worth Avenue boutique owner Ala von Auersperg Isham is dusting out the vault and selling some some serious bling that was ...

  6. Fire agate - Wikipedia

    en.wikipedia.org/wiki/Fire_agate

    Fire agate, a variety of chalcedony, is a semi-precious natural gemstone discovered so far only in certain areas of central and northern Mexico and the southwestern United States (New Mexico, Arizona and California). [1] Approximately 24-36 million years ago these areas were subjected to massive volcanic activity during the Tertiary Period.

  7. Andradite - Wikipedia

    en.wikipedia.org/wiki/Andradite

    Melanite: Black in color due to limited substitution of titanium for iron. Also known as "titanian andradite". Forms a solid solution with morimotoite and schorlomite depending on titanium and iron content. [8] Topazolite: Yellow-green in color and sometimes of high enough quality to be cut into a faceted gemstone, it is rarer than demantoid. [7]

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  9. Demantoid - Wikipedia

    en.wikipedia.org/wiki/Demantoid

    Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Andradite is a calcium- and iron-rich garnet. The chemical formula is Ca 3 Fe 2 (SiO 4) 3 with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone.