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I know Topaz is a silicate mineral of aluminum and fluorine, and aquamarine is a variety of beryl. But besides their composites, what is the difference between them? What makes them different stones? I have a ring and I don't know if it is blue topaz or aquamarine and I would like to know...
Beryl and topaz are two entirely different minerals. Beryl belongs to the hexagonal crystal system, topaz to the orthorhombic crystal system. What that means is that the way the elements bond together in each crystal is different. Emeralds are a variety of beryl. I could go into more detail, but that would probably bore you. The color comes from trace elements trapped in the mineral crystal lattice. The only difference between a sapphire and ruby is which trace element is trapped in between the crystal lattice of corundum. The only way to tell what you have in your ring is to take it to a jeweler who is also a licensed/registered mineralogist or gemologist.
http://www.mineralszone.com/gemstones/aquamarine.html
http://geology.com/minerals/topaz.shtml
http://geology.com/minerals/beryl.shtml
14K White Gold Ruby & Diamond Ring
This 14k white gold gemstone ring makes a great addition to any jewelry collection and can be worn on different occasions. This ring is prong set with 76 round shape diamonds. The diamonds have a total carat weight of 0.38 carats. The diamonds are GHI color and SI-I1 clarity. There is 1 square shape ruby gemstone on this ring. The gemstone is bezel set and has a total weight of 0.50 carats. The total metal weight of this ring is 7.21 grams. This ring is part of our gemstone jewelry collection of jewelry. read more... 
Rings - Gemstone Jewelry
I know Topaz is a silicate mineral of aluminum and fluorine, and aquamarine is a variety of beryl. But besides their composites, what is the difference between them? What makes them different stones? I have a ring and I don't know if it is blue topaz or aquamarine and I would like to know...
Beryl and topaz are two entirely different minerals. Beryl belongs to the hexagonal crystal system, topaz to the orthorhombic crystal system. What that means is that the way the elements bond together in each crystal is different. Emeralds are a variety of beryl. I could go into more detail, but that would probably bore you. The color comes from trace elements trapped in the mineral crystal lattice. The only difference between a sapphire and ruby is which trace element is trapped in between the crystal lattice of corundum. The only way to tell what you have in your ring is to take it to a jeweler who is also a licensed/registered mineralogist or gemologist.
http://www.mineralszone.com/gemstones/aquamarine.html
http://geology.com/minerals/topaz.shtml
http://geology.com/minerals/beryl.shtml
Freeze Diamond Watch Model FR-273 features 0.10 cts. of Diamonds
Freeze Diamond Watch Model FR-273 features 0.10 cts. of DiamondsA full .10ct cts. of genuine clear diamonds with additional diamonds at the hour markers. Stylized stainless steel case, white dial, date function, scratch-free mineral crystal glass, stainless steel case measures approximately 47mm in diameter, two rows of diamonds directly on the dial, Japanese chronograph quartz movement, luminous hands, water-resistant to 10 ATM. includes two additional varying color FREEZE brand polyurethane straps .
Freeze Diamond Watch Model FR-273 features 0.10 cts. of DiamondsA full .10ct cts. of genuine clear diamonds with additional diamonds at the hour markers. Stylized stainless steel case, white dial, date function, scratch-free mineral crystal glass, stainle read more... 
Wrist Watches - Freeze Diamond Watches
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