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Ettringite
Ettringite

Friedelite
Friedelite



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Ettringite
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Friedelite

Ettringite Vs Friedelite

Astrology

Origin

Southern and central Africa
USA

Color

Colorless, Yellow, White
Red, Brown, Yellow, pink

Streak

White
pink

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

1.773.06-3.19
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

Perfect on {10 1 0}
{010} Perfect

Mohs Hardness

2-2.54-5
2 10
👆🏻

Chemical Composition

Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous
-

Pleochroism

-
-

Dispersion

0.040.04
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

1.470-1.4911.627-1.663
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

0.0210.032-0.035
0 0.296
👆🏻

Clarity

Transparent
Translucent

Benefits

Physical

Neurological

-
-

Cardiovascular

-
-

Respiratory

-
-

Reproductive

-
-

Digestive

-
-

Psychology

Adaptability
Harmony

Healing

Emotional healing
-

Qualities Associated

Balance
Creativity

Ettringite Vs Friedelite Fracture

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

Ettringite Vs Friedelite Luster

A primary knowledge about Ettringite vs Friedelite 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.