What is Calcite? Calcite is a mineral consisting of calcium carbonate (CaCO3). It is one of the most widely distributed minerals on the Earth's surface and can be found in sedimentary rocks, limestone, marble, and many other...
What is Bronzite Stone? Bronzeite is an iron-containing mineral that belongs to the pyroxene group of minerals. It is usually brown with a metallic or iridescent sheen. Named for its bronze-like appearance, the mineral is found in...
What is Bloodstone? Bloodstone is a dark green or brownish-green gemstone with small red spots or "blobs" of iron oxide. It is also known as heliotrope, a name derived from the ancient Greek words "helios" meaning sun...
What is Red Aventurine? Red Aventurine is a quartz mineral that has a reddish-orange color due to the presence of hematite or goethite inclusions. Red aventurine can be reddish-orange, iron red, or brown-red. These hues are the...
What is Purple Aventurine? As we all know, green aventurine is the most common aventurine stone, and purple aventurine is another relatively rare color of aventurine. Purple aventurine contains small sparkling inclusions, usually of mica. The purple...
What is Blue Aventurine? Blue aventurine is a variety of the mineral quartz that is typically blue or blue-grey in color. The most common aventurine on the market is the green aventurine. Blue aventurine is one of...
What Is Green Aventurine? Green aventurine is a semi-precious stone that belongs to the quartz family. Aventurine can be green, red, purple. As green aventurine have chromium mica. In geology it is called chromium mica quartz. Because...
What Is Aquamarine? Aquamarine is a blue or green-blue mineral beryl. The color of aquamarine is sky blue to sea blue or greenish blue. Its color is mainly due to the trace amount of ferric ions (Fe2+),...
What is Apatite? Apatite is a group of phosphate minerals that are commonly found in igneous, metamorphic, and sedimentary rocks. The most common type of apatite is hydroxylapatite, which is a calcium phosphate mineral with the chemical...
What is Angelite? Angelite is a mineral, also known as blue anhydrite, a soft, attractive blue-gray stone. It is composed primarily of calcium sulfate, and it has a chemical formula of CaSO4. Angelite is produced in Peru...
