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Bertrandite
Bertrandite

Chlorastrolite
Chlorastrolite



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Bertrandite
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Chlorastrolite

Bertrandite Vs Chlorastrolite

Astrology

Origin

Southern and central Africa
USA

Color

Colorless, Yellow
Green

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

2.59-2.603.1-3.5
1 7.18
👆🏻

Fracture

-
Granular

Cleavage

{001} Perfect, {110} Distinct, {101} Distinct
None

Mohs Hardness

6-75-6
2 10
👆🏻

Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Optical Properties

Luster

Vitreous
Chatoyant

Pleochroism

none.
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

TransparentAnthony et al
-

Refractive Index

1.583-1.6141.7
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.010
0 0.296
👆🏻

Clarity

TransparentAnthony et al
-

Benefits

Physical

Neurological

-
Enhances mental clarity and focus

Cardiovascular

Promotes mental clarity
Supports heart health

Respiratory

-
Excellent

Reproductive

-
-

Digestive

-
-

Psychology

Harmony
Emotional Healing

Healing

Emotional healing
Emotional healing

Qualities Associated

Creativity
Healing

Bertrandite Vs Chlorastrolite Fracture

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

Bertrandite Vs Chlorastrolite Luster

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