Aquamarine
What is Aquamarine?
Aquamarine is a blue or cyan variety of beryl. It’s primarily found in Brazil, Nigeria, and Madagascar. Aquamarine is often used as a gemstone and is a popular choice for jewelry due to its beautiful blue color and spiritual significance.
Aquamarine is a blue gemstone that belongs to the beryl family. Its calming color and lustrous appearance make it a popular choice for jewelry and decorative items. The stone is often used in rings, necklaces, and pendants.
| Chemical Classification | Inorganic - Silicate (Beryl) |
| Color | Pale blue to greenish-blue. |
| Streak | White |
| Luster | Vitreous. |
| Transparency | Transparent to translucent. |
| Occurrence | Brazil, Nigeria, Madagascar. |
| Formation | Forms in granite pegmatites and, less commonly, in mica schists. |
| Diaphaneity | Transparent |
| Cleavage | Perfect in one direction |
| Mohs Hardness | 7.5 to 8 |
| Specific Gravity | About 2.68 to 2.74. |
| Diagnostic Properties | Blue to greenish-blue, a variety of beryl. |
| Chemical Composition | Be3Al2(SiO3)6 |
| Pleochroism | May exhibit, showing different shades of blue. |
| Crystal System | Hexagonal (variety of Beryl) |
| Optical Properties | Biaxial (-) |
| Refractive Index | 1.577 - 1.583 |
| Birefringence | 0.006 |
| 2V angle | Not applicable (isometric) |
| Dispersion | Low. |