Bertrandite

Jet

Bertrandite Vs Jet

Bertrandite

Jet

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Astrology

Origin

Southern and central Africa

Spain

Color

Colorless, Yellow

Black

Streak

White

For which Rashi?

Capricorn

Planet

Saturn

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Cybele

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.59-2.601.19-1.35

1 7.18

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Fracture

ConchoidalWalter Schumann

Cleavage

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

None

Mohs Hardness

6-72.5-4

2 10

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Chemical Composition

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

Optical Properties

Luster

Vitreous

Waxy

Pleochroism

none.

Dispersion

0.010.01

0.005 1

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Transparency

TransparentAnthony et al

Refractive Index

1.583-1.6141.640-1.680

1 3.25

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Optic Character

Crystal System

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

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentAnthony et al

Benefits

Physical

Neurological

Cardiovascular

Promotes mental clarity

Supports heart health

Respiratory

Reproductive

Digestive

Psychology

Harmony

Protection

Healing

Emotional healing

Qualities Associated

Creativity

Protection

Bertrandite Vs Jet Fracture

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

Compare Colorless Gems

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Bertrandite Vs Jet Luster

A primary knowledge about Bertrandite vs Jet 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. Jet, on other hand, exhibits Waxy luster.