Rock Crystal

Alexandrite

Facts about Rock Crystal and Alexandrite

Rock Crystal

Alexandrite

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1 Astrology

1.1 Origin

Sri Lanka

Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma, India, Color: color change, from bluish green (daylight) to purple, red or brown (incandescent light), Hardness: 8, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O4, Crystal structure: orthorhombic, Origins: Russia, Brazil, Tanzania, Madagascar, Zambia, Sri Lanka, Burma

1.2 Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Green

1.3 Streak

Not Available

1.4 For which Rashi?

Not Available

Scorpio

1.5 Planet

Not Available

Venus

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

Projective, Receptive

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Love

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.653.69-3.81

1 7.18

2.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Not Available

2.6 Cleavage

Not Available

1,1 ; 3,2.

2.7 Mohs Hardness

78.5

2 10

2.8 Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

TransparentWalter Schumann, Gemstones of the world (2001) More from other references

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.544-1.5531.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.0090.007-0.010

0 0.296

3.9 Clarity

TransparentWalter Schumann

Transparent

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Rock Crystal Vs Alexandrite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Rock Crystal Vs Alexandrite specifications, it helps you to decide which gemstone suits your zodiac sign. Besides, the extent to which a gemstone benefits you can be understood after comparing Rock Crystal and Alexandrite Astrology. Its highly necessary to have a basic knowledge of facts about Rock Crystal and Alexandrite, before you finalize to buy one.

Rock Crystal is known to regulate the influence of Not Available planet. Alexandrite, the unique gem is known to regulate the influence of Venus planet. Alexandrite, which is classic Green colored gem, possesses Projective and Receptive energy.