Kyanite

Bertrandite

Kyanite Vs Bertrandite

Kyanite

Bertrandite

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1 Astrology

1.1 Origin

Brazil, USA, Switzerland, Kenya, Mozambique, Russia, Nepal, India, Burma

Not Available, Southern and central Africa

1.2 Color

Blue, Yellow, Colorless, White, gray, Green, Black

Colorless, Colorless, Yellow

1.3 Streak

White

1.4 For which Rashi?

Aries, Libra, Taurus, Aries, Libra, Taurus, Aries, Libra, 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

Endurance, Meditation, Love

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Love

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

3.53-3.652.59-2.60

1 7.18

2.5 Fracture

Splintery, Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

2.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

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

2.7 Mohs Hardness

4-76-7

2 10

2.8 Chemical Composition

Not Available

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

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Trichroic

none.

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

TransparentAnthony et al, Handbook of mineralogy (2001)

3.5 Refractive Index

1.71-1.741.583-1.614

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

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

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Color grading system

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

Kyanite Vs Bertrandite Fracture

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

Compare Blue Gemstones

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Kyanite Vs Bertrandite Luster

A primary knowledge about Kyanite 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. Kyanite exhibits Pearly and Vitreous luster. Bertrandite, on other hand, exhibits Vitreous luster.