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Ettringite
Ettringite

Crystal Opal
Crystal Opal



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Ettringite
X
Crystal Opal

Ettringite Vs Crystal Opal

Astrology

Origin

Southern and central Africa
Australia

Color

Colorless, Yellow, White
White, Colorless, Yellow

Streak

White
-

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

Partially soluble in water
-

Durability

-
-

Specific Gravity

1.771.97-2.22
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Perfect on {10 1 0}
None

Mohs Hardness

2-2.55.5-6.5
2 10
👆🏻

Chemical Composition

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
SiO 2 + H 2OUlrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.470-1.4911.370-1.
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.021-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
Supports heart health

Respiratory

-
Good

Reproductive

-
-

Digestive

-
-

Psychology

Adaptability
Creativity

Healing

Emotional healing
Emotional healing

Qualities Associated

Balance
Creativity

Ettringite Vs Crystal Opal Fracture

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

Ettringite Vs Crystal Opal Luster

A primary knowledge about Ettringite vs Crystal Opal 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. Ettringite exhibits Vitreous luster.