Alexandrite

Dravite

Facts about Alexandrite and Dravite

Alexandrite

Dravite

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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

Southern and central Africa

1.2 Color

Green

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

1.3 Streak

Not Available

Colorless

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

3.69-3.813.03-3.18

1 7.18

2.5 Fracture

Not Available

Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

2.6 Cleavage

1,1 ; 3,2.

{???} Indistinct

2.7 Mohs Hardness

8.57-7.5

2 10

2.8 Chemical Composition

BeAl ₂ O ₄

Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

Very strong: pale yellow colorless

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Transparent, Transparent to nearly opaque

Transparent

3.5 Refractive Index

1.739-1.7701.614-1.666

1 3.25

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Orthorhombic

Trigonal Ditrigonal Pyramidal H-M Symbol (3m) Space Group: R 3m

3.8 Birefringence

0.007-0.0100.014-0.032

0 0.296

3.9 Clarity

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

Alexandrite Vs Dravite Specifications

While buying, there is a common bewilderment that most of the buyers face. As you compare Alexandrite Vs Dravite 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 Dravite Astrology. Its highly necessary to have a basic knowledge of facts about Alexandrite and Dravite, 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.Dravite, the unique gem is known to regulate the influence of Not Available planet.