Prasiolite

Bertrandite

Prasiolite Vs Bertrandite

Prasiolite

Bertrandite

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1 Astrology

1.1 Origin

Canada

Not Available, Southern and central Africa

1.2 Color

Green

Colorless, Colorless, Yellow

1.3 Streak

Not Available

White

1.4 For which Rashi?

Libra, Sagittarius, Taurus

Not Available

1.5 Planet

Jupiter

Not Available

1.6 Element of Planets

Water

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

Goddess

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Brittle

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.652.59-2.60

1 7.18

2.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

3,1

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

2.7 Mohs Hardness

76-7

2 10

2.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Very weak: light green pale greenWalter Schumann

none.

3.3 Dispersion

0.01NA

0.007 1

3.4 Transparency

Transparent, Translucent

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.544-1.5531.583-1.614

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

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

3.8 Birefringence

0.009Not Available

0 0.296

3.9 Clarity

Transparent

TransparentAnthony et al

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Prasiolite Vs Bertrandite Fracture

Fracture is an important parameter when you compare Prasiolite and Bertrandite Physical Properties. It is necessary to understand the significance of these properties, before you compare Prasiolite 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. Fracture observed in Prasiolite is Conchoidal, ConchoidalWalter Schumann and Gemstones of the world (2001). Bertrandite fracture is Brittle, Brittle, Metallic and Metallic.

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Prasiolite Vs Bertrandite Luster

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