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Ettringite
Ettringite

Legrandite
Legrandite



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Ettringite
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Legrandite

Ettringite Vs Legrandite

Astrology

Origin

Southern and central Africa
Mexico

Color

Colorless, Yellow, White
Yellow, yellowish orange

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

1.773.98-4.04
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Perfect on {10 1 0}
Imperfect, poor one {100}

Mohs Hardness

2-2.54.5-5
2 10
👆🏻

Chemical Composition

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

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Colorless

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.470-1.4911.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.0210.060
0 0.296
👆🏻

Clarity

Transparent
-

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Adaptability
Creativity

Healing

Emotional healing
-

Qualities Associated

Balance
Optimism

Ettringite Vs Legrandite Fracture

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

Ettringite Vs Legrandite Luster

A primary knowledge about Ettringite vs Legrandite 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. Legrandite, on other hand, exhibits Vitreous luster.