Hollandite

Alexandrite

Facts about Hollandite and Alexandrite

Hollandite

Alexandrite

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1 Astrology

1.1 Origin

Not Available

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

Grey, Black, gray

Green

1.3 Streak

Black

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

5.053.69-3.81

1 7.18

2.5 Fracture

Brittle, Metallic

Not Available

2.6 Cleavage

Distinct / Good, Prismatic

1,1 ; 3,2.

2.7 Mohs Hardness

4-68.5

2 10

2.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Not Available

Vitreous

3.2 Pleochroism

Weak.

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Transparent, Transparent to nearly opaque

3.5 Refractive Index

Not Available1.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

monoclinic

Orthorhombic

3.8 Birefringence

Not Available0.007-0.010

0 0.296

3.9 Clarity

Not Available

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

Hollandite Vs Alexandrite Specifications

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

Hollandite 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.