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Mexican Amate paper craft on Aztec sun stone. The sun stone image is displayed on the obverse the Mexican 20 Peso gold coin, which has a gold content of 15 grams (0.4823 troy ounces) and was minted from 1917 to 1921 and restruck with the date 1959 from the mid-1940s to the late 1970s. Different parts of the sun stone are represented on the ...
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 ...
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.
This type of Mexican opal is referred to as a Cantera opal. Another type of opal from Mexico, referred to as Mexican water opal, is a colorless opal that exhibits either a bluish or golden internal sheen. [14] Precious Mexican Fire Opal has bright green and yellow patches (play of color) with an orange-red background typical of Fire Opal.
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.
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The color has resisted chemical solvents and acids such as nitric acid. Its resistance against chemical aggression (acids, alkalis , solvents , etc.) and biodegradation was tested, and it was shown that Maya blue is an extremely resistant pigment, but it can be destroyed using very intense acid treatment under reflux .
Tagetes erecta, the Aztec marigold, Mexican marigold, big marigold, cempaxochitl or cempasúchil, [2] [3] is a species of flowering plant in the genus Tagetes native to Mexico and Guatemala. [4] Despite being native to the Americas, it is often called the African marigold .