Obsidian

Alexandrite

Obsidian Vs Alexandrite

Obsidian

Alexandrite

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1 Astrology

1.1 Origin

Australia, Canada, Guatemala, Italy, Kenya, Mexico, Turkey, Mexico, Guatemala, Mexico, Guatemala

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

Brown, Green

Green

1.3 Streak

Not Available

1.4 For which Rashi?

Sagittarius

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

Projective

Projective, Receptive

1.9 Deities

Itzpapalotl

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Protection

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

2.35-2.603.69-3.81

1 7.18

2.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Not Available

2.6 Cleavage

Not Available

1,1 ; 3,2.

2.7 Mohs Hardness

5-5.58.5

2 10

2.8 Chemical Composition

Not Available

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

AbsentWalter Schumann

Not Available

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Transparent, Translucent

Transparent, Transparent to nearly opaque

3.5 Refractive Index

1.450-1.5501.739-1.770

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Amorphous

Orthorhombic

3.8 Birefringence

Not Available0.007-0.010

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

Obsidian Vs Alexandrite Fracture

Fracture is an important parameter when you compare Obsidian and Alexandrite Physical Properties. It is necessary to understand the significance of these properties, before you compare Obsidian Vs Alexandrite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Obsidian is Conchoidal, Conchoidal and ConchoidalWalter Schumann.

Compare Gems for Sagittarius

Obsidian Vs Topaz

Obsidian Vs Tanzanite

Obsidian Vs Spinel

Obsidian Vs Alexandrite Luster

A primary knowledge about Obsidian vs Alexandrite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Obsidian exhibits Vitreous luster. Alexandrite, on other hand, exhibits Vitreous luster.