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The difference between aquamarine and emerald is color and the peculiar shade of each. Aquamarine is a beautiful sea-green variety of beryl. Aquamarine derives its color from a small quantity of iron oxide. Beryl occurs in the shape of either a pebble or of an hexagonal prism.
Ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. [3]
To differentiate between similar looking gemstones requires great experience as well as some sort of magnification. [clarification needed] Some of these gems exhibit a wide range of physical attributes. For instance, ruby comes in various colors such as pinkish-mauve and pigeon-blood red; sapphires exist in pink, multiple shades of blue, and a ...
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others. The classification of the cardinal gems dates back to antiquity, and was largely determined by ceremonial or religious use as well as rarity. [1]
The primary issue with the idea that jacinth (hyakinthinous, "hyacinthine") could have been referring to the sapphire, is the conflict that we see in Revelation 21:19-20, which lists both sapphire ("sapphiros") and jacinth (hyakinthinous, "hyacinthine") as completely different stones.
Rubies are red due to the presence of chromium, and sapphires exhibit a range of colors depending on what transition metal is present. [7] 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]
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A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.