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Rock Crystal
Rock Crystal

Chalcedony
Chalcedony



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Rock Crystal
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Chalcedony

Rock Crystal Vs Chalcedony

Astrology

Origin

Sri Lanka
Zimbabwe

Color

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

Streak

-
White

For which Rashi?

-
Cancer, Sagittarius

Planet

-
-

Element of Planets

-
Water

Energy

-
-

How to Wear?

Finger

-
-

Ring Metal

-
-

Deities

-
Goddess Whope

Not to wear with

-
-

Powers

-
Protection

Birthstone

Planetary

-
-

Talisman

-
-

Physical Properties

Tenacity

-
-

Solubility

-
Soluble

Durability

-
-

Specific Gravity

2.652.55-2.70
1 7.18
👆🏻

Fracture

ConchoidalWalter Schumann
Uneven, Splintery, Conchoidal

Cleavage

None
Absent

Mohs Hardness

76.5-7
2 10
👆🏻

Chemical Composition

SiO 2Walter Schumann , Gemstones of the world (2001)
SiO2

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

TransparentWalter Schumann
Translucent, Translucent to opaque

Refractive Index

1.544-1.5531.530-1.543
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Trigonal

Birefringence

0.0090.003-0.009
0 0.296
👆🏻

Clarity

TransparentWalter Schumann
Translucent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
Supports heart health

Respiratory

Good
Good

Reproductive

-
-

Digestive

-
-

Psychology

Clarity
Harmony

Healing

Physical healing
Emotional healing

Qualities Associated

Clarity
Harmony

Rock Crystal Vs Chalcedony Fracture

Fracture is an important parameter when you compare Rock Crystal and Chalcedony Physical Properties. It is necessary to understand the significance of these properties, before you compare Rock Crystal Vs Chalcedony 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. Chalcedony fracture is Uneven, Splintery and Conchoidal.

Rock Crystal Vs Chalcedony Luster

A primary knowledge about Rock Crystal vs Chalcedony 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. Chalcedony, on other hand, exhibits Vitreous luster.