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Gemstone Meanings: What They Really Stand For Catherine Delahaye - Getty Images Jewels, birthstones, gemstones—so many names for the glitzy, glamorous stones so many of us love to wear each and ...
One significant item is a gemstone globe, collected and looted by the Iranian monarchy. For many centuries the Iranian Crown Jewels were kept in the vaults of the Imperial Treasury. However, in the early 20th century, the first Pahlavi Shah transferred ownership of the crown jewels to the state as part of a massive restructuring of the country ...
Around the globe is a set of stone plaques carved with quotations from English, Roman poets and the Bible, and also various facts about the natural world. These were not completed until 1891. Eight large stone blocks around the globe represent the compass. The globe is now protected by an iron fence.
This is a list of gemstones, organized by species and types. Minerals. There are over 300 types of minerals that have been used as gemstones. Such as: A–B
A compass rose or compass star, sometimes called a wind rose or rose of the winds, is a polar diagram displaying the orientation of the cardinal directions (north, east, south, and west) and their intermediate points. It is used on compasses (including magnetic ones), maps (such as compass rose networks), or monuments.
Hue refers to color as we normally use the term. Transparent gemstones occur in the pure spectral hues of red, orange, yellow, green, blue, violet. [25] In nature, there are rarely pure hues, so when speaking of the hue of a gemstone, we speak of primary and secondary and sometimes tertiary hues. Ruby is defined to be red.
Another old name is dichroite, a Greek word meaning "two-colored rock", a reference to cordierite's strong pleochroism. It has also been called "water-sapphire" and "Vikings' Compass" because of its usefulness in determining the direction of the sun on overcast days, the Vikings having used it for this purpose. [ 8 ]
Behaim-Globe, Germanisches Nationalmuseum, Nuremberg, height 133 cm (52 in) Behaim’s Erdapfel Modern recreation of the gores of the Erdapfel Oceanic area described on the Martin Behaim globe. The Erdapfel ( German for 'earth apple'; pronounced [ˈeːɐ̯tˌʔapfl̩] ⓘ ) is a terrestrial globe 51 cm (20 in) in diameter, produced by Martin ...