Aquamarine is a pale blue form of the mineral beryl. Aquamarine crystals can occur in such rocks as granites and pegmatites. These beautiful gemstones have a glassy luster (shine) and are either translucent or transparent. These properties make aquamarine a prized stone for all types of jewelry.
Filed under: minerals on March 3rd, 2010 | No Comments »
The November birthstone is topaz. Topaz is a unique gemstone which comes in a huge varitey of colors such as orange-yellow, colorless, light blue, pink, brown and green.
Filed under: earth science, geology, minerals, rocks on November 13th, 2009 | No Comments »
Sapphires are a blue form of the mineral corundum. When corundum is red, it is called a ruby.
Filed under: earth science, geology, minerals, rocks on September 9th, 2009 | No Comments »
May’s birthstone is the gemstone mineral emerald. Emerald is a green form of the mineral beryl.
Filed under: earth science, geology, minerals on May 14th, 2009 | No Comments »
