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Anhydrite
Anhydrite

Ettringite
Ettringite



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Anhydrite
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Ettringite

Anhydrite Vs Ettringite

Astrology

Origin

Mexico
Southern and central Africa

Color

Colorless, Blue, Violet, White, Brown, rose, gray
Colorless, Yellow, White

Streak

White
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

Brittle
-

Solubility

-
Partially soluble in water

Durability

-
-

Specific Gravity

2.90-2.981.77
1 7.18
👆🏻

Fracture

Conchoidal
-

Cleavage

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Perfect on {10 1 0}

Mohs Hardness

3.52-2.5
2 10
👆🏻

Chemical Composition

CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Optical Properties

Luster

Pearly, Greasy
Vitreous

Pleochroism

For violet varieties
-

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.570-1.6141.470-1.491
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.042-0.0440.021
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus
-

Cardiovascular

Supports heart health
-

Respiratory

Good
-

Reproductive

-
-

Digestive

-
-

Psychology

Calmness
Adaptability

Healing

Emotional healing
Emotional healing

Qualities Associated

Acceptance
Balance

Anhydrite Vs Ettringite Fracture

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

Anhydrite Vs Ettringite Luster

A primary knowledge about Anhydrite vs Ettringite 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. Anhydrite exhibits Pearly and Greasy luster. Ettringite, on other hand, exhibits Vitreous luster.