Aquamarine Naturally Terminated Himalayas 698g

Mineral Name: Aquamarine Chemical Formula: Be3Al2(SiO3)6 - Beryllium Aluminum Silicate Color: Aquamarine is best known for its captivating blue to blue-green hues, reminiscent of the clear waters of the sea. The color is caused by trace amounts of iron impurities within the crystal lattice. Crystal System: Hexagonal Hardness: 7.5 - 8 on the Mohs scale Luster: Vitreous Transparency: Transparent to translucent Specific Gravity: 2.68 - 2.74 Cleavage: Indistinct Fracture: Conchoidal Streak: White Occurrences: Aquamarine is commonly found in granite pegmatites, as well as in metamorphic rocks. It often occurs alongside other minerals such as quartz, feldspar, and mica. Significant deposits have been discovered in Brazil, Madagascar, Afghanistan, Russia, and the United States. Notable Localities: Noteworthy occurrences of aquamarine include the Mursinka mine in Russia, the Shigar Valley in Pakistan, the Santa Maria de Itabira mine in Brazil, and the Mount Antero and Mount White mines in Colorado, USA. Formation: Aquamarine forms in pegmatites and hydrothermal veins, where beryllium-rich solutions interact with aluminum and silica-rich minerals. The presence of trace elements, especially iron, imparts the characteristic blue and blue-green colors to the crystal. The hexagonal crystal structure contributes to the development of well-formed, elongated prismatic crystals. Unique Features: Aquamarine is prized for its stunning color, which can range from delicate sky blue to deep blue-green. The crystals often grow in large, well-formed hexagonal prisms with flat terminations. Gem-quality aquamarine is highly sought after for use in jewelry, while larger, transparent crystals are also valued by mineral collectors. Uses: Aquamarine is primarily used as a gemstone in jewelry, including rings, earrings, and necklaces. Its pleasing color and excellent transparency make it a popular choice for various types of jewelry settings. In addition to its aesthetic appeal, aquamarine is believed by some to possess metaphysical properties, including promoting calmness and communication. Caution: While aquamarine is generally safe for use in jewelry, it is important to be aware that some specimens may undergo color treatment. Heat treatment is commonly applied to enhance or alter the color of aquamarine, and this information should be disclosed by reputable gemstone dealers.