In the west precious stones are diamonds sapphires rubies and emeralds. Our semi precious stone collection includes agate quartz lapis lazuli amethyst petrified wood tiger eye carnelian jasper malachite sodalite obsidian fluorite opal chalcedony ruby septarian glitter ammonite swarovski etc. Sodalite is a blue gemstone closely related to lapis lazuli and is in fact a component mineral thereof. The most known blue green forms of. There are also much lighter or softer blue stones with the most common of the lighter stones being topaz and aquamarine.
These days all gemstones are considered precious since they are all rare and there is a limited supply of them. Peruvian opal also called blue opal is a semi opaque to opaque blue green stone found in peru which is often cut to include the matrix in the more opaque stones. There are two basic copper carbonate minerals azurite and malachite. Its contrast and eye appeal is irresistible. Azurite is a rare gem quality variety of copper ore.
It does not display play of color. Clarity grades have much less importance in blue gemstones than in colorless stones. Gemselect s list of precious semi precious gemstones. Since the color can mask inclusions it makes them less noticeable however avoid large inclusions or fractures as these can still make the stone more breakable. These terms are based on old traditions from the west.
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Lapis lazuli has been used since ancient times and remains popular today. Blue opal also comes from oregon in the owyhee region as well as from nevada around the virgin valley. Today jewelry is its predominant use. In hindu astrology the blue stone is a birthstone for sagittarius. The most common blue stone is a sapphire however the deep blue color can also be found in other gemstones such as kyanite lapis lazuli and zircon.All other gemstones are considered as being semi precious stones. Guide to precious semi precious color gemstones. Azurite has a very distinctive and vivid blue color often described as azure blue hence its name. For lighter toned blue gemstones a somewhat better clarity grade will improve the gem s appearance. The violet blue stones that are most commonly known are tanzanite and iolite.
This blue semi precious stone was first discovered in greenland in 1811 and was named after its sodium content. The traditional list of gemstones that are considered precious stones are. However this is a commercial based classification and was a distinction that marketers created years ago which gives the false impression that precious stones are more valuable than semi precious stones. But if you re looking for something different try a violet blue color or blue green color of the stone. This gemstone has been prized for its bright blue color and used for inlay and intarsia as well as for pigments for cosmetics and paintings.
This gemstone has been prized for its bright blue color and used for inlay and intarsia as well as for pigments for cosmetics and paintings. This blue semi precious stone was first discovered in greenland in 1811 and was named after its sodium content. All other gemstones are considered as being semi precious stones. Lapis lazuli has been used since ancient times and remains popular today. It does not display play of color.
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But if you re looking for something different try a violet blue color or blue green color of the stone. These days all gemstones are considered precious since they are all rare and there is a limited supply of them. In the west precious stones are diamonds sapphires rubies and emeralds.
