Rock Crystal

Sard

Rock Crystal Vs Sard

Rock Crystal

Sard

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Astrology

Origin

Sri Lanka

Southern and central Africa

Color

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

Streak

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.652.58-2.63

1 7.18

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Fracture

ConchoidalWalter Schumann

Conchoidal

Cleavage

None

Mohs Hardness

76.5-7

2 10

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Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)

SiO 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Waxy

Pleochroism

Dispersion

0.010.01

0.005 1

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Transparency

TransparentWalter Schumann

Translucent

Refractive Index

1.544-1.5531.535-1.539

1 3.25

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Optic Character

Crystal System

Birefringence

0.0090.008-0.010

0 0.296

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Clarity

TransparentWalter Schumann

Translucent

Benefits

Physical

Neurological

Cardiovascular

Respiratory

Good

Reproductive

Digestive

Psychology

Clarity

Strength

Healing

Physical healing

Emotional healing

Qualities Associated

Clarity

Protection

Rock Crystal Vs Sard Fracture

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

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Rock Crystal Vs Sard Luster

A primary knowledge about Rock Crystal 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. Sard, on other hand, exhibits Waxy luster.