What is the formula of beryl?
What is the formula of beryl?
Beryl
| PubChem CID | 14767 |
|---|---|
| Chemical Safety | Laboratory Chemical Safety Summary (LCSS) Datasheet |
| Molecular Formula | Be3Al2(SiO3)6 or Al2Be3O18Si6 |
| Synonyms | BERYL Beryl ore Beryllium aluminum silicate 1302-52-9 Beryl (Al2Be3(SiO3)6) More… |
| Molecular Weight | 537.50 |
What are the properties of beryl?
| Physical Properties of Beryl | |
|---|---|
| Chemical Classification | Silicate |
| Mohs Hardness | 7.5 to 8 |
| Specific Gravity | 2.6 to 2.8 |
| Diagnostic Properties | Crystals are prismatic with flat terminations, hexagonal, and without striations. Hardness and relatively low specific gravity. |
Is beryl an emerald?
Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors. Gem experts differ on the degree of green that makes one stone an emerald and another stone a less-expensive green beryl.
Is beryl an isotropic?
Light blue-green glass and blue synthetic quartz are common aquamarine simulants. The glass usually contains swirls of round bubbles; and is isotropic, staying dark on all rotations between crossed polarising filters.
What is the simplest formula for Beryl?
Be3Al2Si6O18
Beryl Mineral Data
| General Beryl Information | |
|---|---|
| Chemical Formula: | Be3Al2Si6O18 |
| Empirical Formula: | Be3Al2Si6O18 |
| Environment: | Mainly granitic pegmatites. |
| IMA Status: | Valid Species (Pre-IMA) Prehistoric |
What is the value of Beryl?
Beryl Prices Green Beryl – Emerald Brazil price ranges from 800 INR ($ 10.54) per carat to 10,000 INR ($ 136.77) per carat. Blue Beryl – Aquamarine price varies from 700 INR ($ 9.57) per carat to 15,000 INR ($ 205.15) per carat.
What does beryl symbolize?
Beryl has been said to have the power to keep demons away, to promote happiness and marital love, increase sincerity, cure laziness, protect travelers from danger, and maintain youthfulness. Pliny The Elder used a powdered form of beryl to cure eye injuries, as well as disorders of the heart and spine.
What is the value of beryl?
How can you tell the difference between beryl and emerald?
Emerald is a vivid green variety of beryl. The main difference between emerald and green beryl is that emerald color is influenced by chromium and/or vanadium trace elements. The strong to vivid saturation and medium to the medium-dark tone of emerald distinguish it from light-green colored green beryl.
Does beryl glow under UV?
Other green varieties should be referred to as green beryl. Emerald – none to weak orange-red or green. Others very weak to none. Synthetic emerald may fluoresce a weak dull red and appear opaque under long u.v. light.
What is the fracture of Beryl?
Conchoidal
| Beryl | |
|---|---|
| Fracture | Conchoidal to irregular |
| Tenacity | Brittle |
| Mohs scale hardness | 7.5–8 |
| Luster | Vitreous to resinous |
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