Red Beryl
A variety of Beryl
Precious GemstoneRare
What is Red Beryl?
The rarest variety of beryl, this mineral is so rare that only one red Beryl is mined for every 150,000 gem-quality diamonds. It is found only in the USA and big-sized stones are extremely difficult to mine. Also known as red emerald, red Beryl is extremely expensive due to its beauty and rarity.
Optical Properties
- Refractive Index
- 1.560-1.576
- Birefringence
- 0.005-0.009
- Pleochroism
- Red beryl - distinct: orangey-red, purplish-red; Golden beryl - weak: yellowish, greenish-yellow; Green beryl - distinct: yellow-green, blue-green
- Optical Character
- Uniaxial negative
- Dispersion
- 0.014
Red Beryl Market Value Calculator
Estimate the market value of Red Beryl using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Red Beryl Localities Map
See where Red Beryl is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Key Characteristics
Composition of Red Beryl
Berylium, Aluminum, Silicon, Oxygen
Quick Facts
Physical Properties
- Color
- Gooseberry red, carmine red, scarlet red
- Hardness (Mohs)
- 7.5 - 8
- Density
- 2.66 - 2.7 g/cm³
- Streak
- White
- Luster
- Vitreous, Sub-vitreous, Waxy, Greasy
- Crystal System
- Hexagonal
Chemical Properties
- Chemical Formula
- Be3Al2Si6O18
- Elements
- Al, Be, O, Si
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