Alexandrite

Bertrandite

Facts about Alexandrite and Bertrandite

Alexandrite

Bertrandite

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1 Astrology

1.1 Origin

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

Not Available, Southern and central Africa

1.2 Color

Green

Colorless, Colorless, Yellow

1.3 Streak

Not Available

White

1.4 For which Rashi?

Scorpio

Not Available

1.5 Planet

Venus

Not Available

1.6 Element of Planets

Earth

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Projective, Receptive

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love

Not Available

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

3.69-3.812.59-2.60

1 7.18

2.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

1,1 ; 3,2.

{001} Perfect, {110} Distinct, {101} Distinct

2.7 Mohs Hardness

8.56-7

2 10

2.8 Chemical Composition

BeAl ₂ O ₄

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

none.

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Transparent to nearly opaque

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.739-1.7701.583-1.614

1 3.25

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Orthorhombic

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

3.8 Birefringence

0.007-0.010Not Available

0 0.296

3.9 Clarity

Transparent

TransparentAnthony et al

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

Alexandrite Vs Bertrandite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Alexandrite Vs Bertrandite 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 Alexandrite and Bertrandite Astrology. Its highly necessary to have a basic knowledge of facts about Alexandrite and Bertrandite, before you finalize to buy one.

Alexandrite is known to regulate the influence of Venus planet.Alexandrite, that occurs commonly in Green color, possesses Projective and Receptive energy.Bertrandite, the unique gem is known to regulate the influence of Not Available planet.