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Obsidian
Obsidian

Sard
Sard



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Obsidian
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Sard

Obsidian Vs Sard

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Astrology

Origin

Australia, Canada, Guatemala, Italy, Kenya, Mexico, Turkey
Southern and central Africa

Color

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

Streak

-
-

For which Rashi?

Sagittarius
-

Planet

-
-

Element of Planets

-
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Itzpapalotl
-

Not to wear with

-
-

Powers

Protection
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.35-2.602.58-2.63
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Conchoidal

Cleavage

None
None

Mohs Hardness

5-5.56.5-7
2 10
👆🏻

Chemical Composition

SiO2
SiO 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Waxy

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Translucent
Translucent

Refractive Index

1.450-1.5501.535-1.539
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

-99990.008-0.010
0 0.296
👆🏻

Clarity

Transparent
Translucent

Benefits

Physical

Neurological

Aids in mental clarity and focus
-

Cardiovascular

-
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Grounding
Strength

Healing

Physical healing
Emotional healing

Qualities Associated

Protection
Protection

Obsidian Vs Sard Fracture

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

Obsidian Vs Sard Luster

A primary knowledge about Obsidian vs Sard 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. Sard, on other hand, exhibits Waxy luster.