Also commonly present are rare earth metals including cerium and yttrium. Refractive indices of sphene range around 1 880 2 054. It is known as a gemstone that can make owner s thoughts clear and gives wonderful knowledge. Sphene has been believed for its power to enhance owner s mental power. Sphene also known as titanite.
Its vibration will stimulate you mentally and may enhance your creativity. Sphene is named from the greek word for wedge because of its typical wedge shaped crystal habit because of its high dispersion and refractive index a well cut sphene can display stunning brilliance. Sphene is a gemstone that has a meaning and properties related to studying. Gem quality examples are rare. The refractive index ri measured using a refractometer is an indication of the amount light rays are bent by a mineral.
Sphene has a specific gravity of 3 50 3 54 and a hardness of 5 5 5. The chrome sphene from baja california is the color of fine emerald and. A very rare variety of the sphene is the capelinha sphene from the same named brazilian city a famous mining region. It will help you to absorb new information and is useful to accelerate your learning. By having strong and sharp mind you will be able to create rich life.
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Usually the sphene is transparent and has a high crystalline purity inclusions are rarely seen by the naked eye and do not detract from the beauty of this gemstone. Sphene gemstones crystallize in the monoclinic crystal system. Due to its high dispersion when brilliant cut sphene can exhibit a fire similar to that of diamond. Sphene is a collector s gem and is particularly rare when you start talking about a clean stone above 5 carats the international gem society says. As with many gemstones color clarity and carat are the most important value factors followed by the skill and artistry shown in cutting a preference exists for lighter tones especially yellows light oranges and greens which best exhibit sphene s magnificent dispersion.Chrome sphene is the most valuable type. Written by liz oakes. The name sphene comes from the greek word sphen meaning wedge which alludes to the formation of its crystals. Sphene or titanite is a rare collector gemstone with an unusually high refractive index and a hardness of 5 5 5. Calcium may be partly replaced by thorium.
Titanite or sphene from the greek sphenos σφηνώ meaning wedge is a calcium titanium nesosilicate mineral ca ti si o 5 trace impurities of iron and aluminium are typically present. Sphene is also known as titanite and is an excellent crystal to aid you to think more clearly. Sphene is a soft brittle gemstone and like scapra easily worked by unskilled cutters of various yellow to green shades the most prized of these being a fine emerald green. Sphene is a very rare brilliant yellowish green green orange or brown gemstone with a high luster also known as titanite due to its titanium content. Titanite or sphene from the greek sphenos σφηνώ meaning wedge is a calcium titanium nesosilicate mineral ca ti si o 5 trace impurities of iron and aluminium are typically present.
Sphene is a very rare brilliant yellowish green green orange or brown gemstone with a high luster also known as titanite due to its titanium content. Chrome sphene is the most valuable type. Usually the sphene is transparent and has a high crystalline purity inclusions are rarely seen by the naked eye and do not detract from the beauty of this gemstone. Sphene has a specific gravity of 3 50 3 54 and a hardness of 5 5 5. Its vibration will stimulate you mentally and may enhance your creativity.
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Sphene is a soft brittle gemstone and like scapra easily worked by unskilled cutters of various yellow to green shades the most prized of these being a fine emerald green. Also commonly present are rare earth metals including cerium and yttrium.
