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Ettringite
Ettringite

Nepheline
Nepheline



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Ettringite
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Nepheline

Ettringite Vs Nepheline

Astrology

Origin

Southern and central Africa
Canada

Color

Colorless, Yellow, White
White, Reddish, gray, Brown, Brownish

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

-
-

Solubility

Partially soluble in water
-

Durability

-
-

Specific Gravity

1.772.55-2.65
1 7.18
👆🏻

Fracture

-
Subconchoidal, Conchoidal

Cleavage

Perfect on {10 1 0}
[1010] Poor

Mohs Hardness

2-2.55-6
2 10
👆🏻

Chemical Composition

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

-
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent

Refractive Index

1.470-1.4911.529-1.547
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.0210.003-0.004
0 0.296
👆🏻

Clarity

Transparent
Transparent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Adaptability
-

Healing

Emotional healing
-

Qualities Associated

Balance
Clarity

Ettringite Vs Nepheline Fracture

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

Ettringite Vs Nepheline Luster

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