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Obsidian
Obsidian

Tanzanite
Tanzanite



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Obsidian
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Tanzanite

Obsidian Vs Tanzanite

Astrology

Origin

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

Color

Brown, Green
Blue

Streak

-
White, Colorless

For which Rashi?

Sagittarius
Sagittarius, Pisces, Virgo

Planet

-
-

Element of Planets

-
Air, Water, Earth

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Itzpapalotl
-

Not to wear with

-
-

Powers

Protection
Love, Healing

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

2.35-2.603.35
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Uneven, Conchoidal

Cleavage

None
Perfect {010}, imperfect {100}

Mohs Hardness

5-5.56.5-7
2 10
👆🏻

Chemical Composition

SiO2
Ca2Al3(SiO4)3(OH)

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Present

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.450-1.5501.685-1.707
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.006-0.018
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Aids in mental clarity and focus
Enhances mental clarity and focus

Cardiovascular

-
-

Respiratory

Good
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Grounding
Intuition

Healing

Physical healing
Emotional healing

Qualities Associated

Protection
Communication

Obsidian Vs Tanzanite Fracture

Fracture is an important parameter when you compare Obsidian and Tanzanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Obsidian Vs Tanzanite 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 and ConchoidalWalter Schumann. Tanzanite fracture is Uneven and Conchoidal.

Obsidian Vs Tanzanite Luster

A primary knowledge about Obsidian vs Tanzanite 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. Tanzanite, on other hand, exhibits Vitreous luster.