Dravite

Alexandrite

Facts about Dravite and Alexandrite

Dravite

Alexandrite

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1 Astrology

1.1 Origin

Southern and central Africa

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, Black, Green, Red, Blue, White

Green

1.3 Streak

Colorless

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

3.03-3.183.69-3.81

1 7.18

2.5 Fracture

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

Not Available

2.6 Cleavage

{???} Indistinct

1,1 ; 3,2.

2.7 Mohs Hardness

7-7.58.5

2 10

2.8 Chemical Composition

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

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Very strong: pale yellow colorless

Not Available

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.614-1.6661.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

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

Orthorhombic

3.8 Birefringence

0.014-0.0320.007-0.010

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

Dravite Vs Alexandrite Specifications

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

Dravite 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.