Bertrandite

Friedelite

Bertrandite Vs Friedelite

Bertrandite

Friedelite

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Astrology

Origin

Southern and central Africa

USA

Color

Colorless, Yellow

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

Durability

Specific Gravity

2.59-2.603.06-3.19

1 7.18

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Fracture

Uneven

Cleavage

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

{010} Perfect

Mohs Hardness

6-74-5

2 10

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Chemical Composition

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

Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

none.

Dispersion

0.010.04

0.005 1

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Transparency

TransparentAnthony et al

Translucent

Refractive Index

1.583-1.6141.627-1.663

1 3.25

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Optic Character

Crystal System

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

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

Birefringence

-99990.032-0.035

0 0.296

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Clarity

TransparentAnthony et al

Translucent

Benefits

Physical

Neurological

Cardiovascular

Promotes mental clarity

Respiratory

Reproductive

Digestive

Psychology

Harmony

Healing

Emotional healing

Qualities Associated

Creativity

Bertrandite Vs Friedelite Fracture

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

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Bertrandite Vs Friedelite Luster

A primary knowledge about Bertrandite 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. Bertrandite exhibits Vitreous luster.