Bertrandite

Chlorite group

Bertrandite Vs Chlorite group

Bertrandite

Chlorite group

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Astrology

Origin

Southern and central Africa

Color

Colorless, Yellow

Green

Streak

White

Green, Grey

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

2.59-2.602.6-3.3

1 7.18

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Fracture

Lamellar

Cleavage

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

Perfect 001

Mohs Hardness

6-72-2.5

2 10

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Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Optical Properties

Luster

Vitreous

Vitreous, Pearly

Pleochroism

none.

Dispersion

0.010.02

0.005 1

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Transparency

TransparentAnthony et al

Refractive Index

1.583-1.6141.57-1.67

1 3.25

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Optic Character

Crystal System

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

monoclinic

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentAnthony et al

Benefits

Physical

Neurological

Cardiovascular

Promotes mental clarity

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Calmness

Healing

Emotional healing

Qualities Associated

Creativity

Cleansing

Bertrandite Vs Chlorite group Fracture

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

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Bertrandite Vs Chlorite group Luster

A primary knowledge about Bertrandite vs Chlorite group 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. Chlorite group, on other hand, exhibits Vitreous and Pearly luster.