
mineral
Emerald In Matrix (Quartz/Calcite)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Hardness: 7.5-8.0; Color: Vivid green encased in translucent yellow-white; Luster: Vitreous; Crystal structure: Hexagonal; Cleavage: Poor/Indistinct; Specific Gravity: 2.76.
- Hardness
- 7
- Color
- Vivid green encased in translucent yellow-white
- Luster
- Vitreous
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Physical properties
Hardness: 7.5-8.0; Color: Vivid green encased in translucent yellow-white; Luster: Vitreous; Crystal structure: Hexagonal; Cleavage: Poor/Indistinct; Specific Gravity: 2.76.
Formation & geological history
Formed in hydrothermal veins or pegmatites where beryllium-rich fluids meet chromium-rich host rocks. These specimens appear to be small tumbled or water-worn green beryl crystals inside a quartz or calcite matrix.
Uses & applications
Commonly used for lapidary work, jewelry (when high quality), and as mineral specimens for metaphysical or geological collections.
Geological facts
Emeralds are the green variety of the mineral beryl. Their iconic green color comes from trace amounts of chromium and sometimes vanadium within the crystal structure.
Field identification & locations
Identify by looking for the distinct 'Emerald green' color within a host rock. High-quality emeralds are often found in Colombia, Brazil, and Zambia. These specific pieces show the characteristic 'jardin' or internal fractures.
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