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Allanite
Allanite

Bertrandite
Bertrandite



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Allanite
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Bertrandite

Allanite Vs Bertrandite

Astrology

Origin

Southern and central Africa
Southern and central Africa

Color

Brown, Black
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

-
-

Durability

-
-

Specific Gravity

3.40-4.202.59-2.60
1 7.18
👆🏻

Fracture

-
-

Cleavage

Indistinct
{001} Perfect, {110} Distinct, {101} Distinct

Mohs Hardness

-99996-7
2 10
👆🏻

Chemical Composition

Ca(Ce,La,Y,Ca)Al2(Fe,Al)Si3O12(OH)
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Optical Properties

Luster

-
Vitreous

Pleochroism

-
none.

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
TransparentAnthony et al

Refractive Index

11.583-1.614
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

Birefringence

0.013-0.036-9999
0 0.296
👆🏻

Clarity

-
TransparentAnthony et al

Benefits

Physical

Neurological

-
-

Cardiovascular

Supports heart health
Promotes mental clarity

Respiratory

Good
-

Reproductive

Supports reproductive health
-

Digestive

-
-

Psychology

Empowerment
Harmony

Healing

Emotional healing
Emotional healing

Qualities Associated

Inspiration
Creativity

Allanite Vs Bertrandite Fracture

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

Allanite Vs Bertrandite Luster

A primary knowledge about Allanite vs Bertrandite 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. Bertrandite, on other hand, exhibits Vitreous luster.