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Coral
Coral

Sardonyx
Sardonyx



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Coral
X
Sardonyx

Coral Vs Sardonyx

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Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

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

Streak

-
-

For which Rashi?

Pisces
-

Planet

Neptune
-

Element of Planets

Water
-

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

Venus
-

Not to wear with

-
-

Powers

Healing, Protection
-

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.60-2.702.55-2.70
1 7.18
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Fracture

Irregular
-

Cleavage

None
None

Mohs Hardness

3-46.5-7
2 10
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Chemical Composition

CaCO 3Ulrich Henn and Claudio C.
SiO 2Ulrich Henn and Claudio C.

Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.030.01
0.005 1
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Transparency

Translucent
Translucent

Refractive Index

1.486-1.6581.530-1.543
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.160-0.1720.008-0.010
0 0.296
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Clarity

Translucent
Translucent

Benefits

Physical

Neurological

-
-

Cardiovascular

Enhances intuition and psychic abilities
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Emotional balance
Protection

Healing

Emotional healing
Physical healing

Qualities Associated

Emotional Balance
Strength & Protection

Coral Vs Sardonyx Fracture

Fracture is an important parameter when you compare Coral and Sardonyx Physical Properties. It is necessary to understand the significance of these properties, before you compare Coral Vs Sardonyx 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 Coral is Irregular.

Coral Vs Sardonyx Luster

A primary knowledge about Coral vs Sardonyx 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.