Lapis lazuli

Kyanite

Lapis lazuli Vs Kyanite

Lapis lazuli

Kyanite

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1 Astrology

1.1 Origin

Afghanistan

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

1.2 Color

Violet, Blue, White

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

1.3 Streak

Blue

White

1.4 For which Rashi?

Sagittarius

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

1.5 Planet

Venus

Jupiter

1.6 Element of Planets

Water

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

1.9 Deities

Venus

Endurance, Meditation, Love

1.10 Not to wear with

Not Available

1.11 Powers

Protection, Courage

Love

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.50-3.003.53-3.65

1 7.18

2.5 Fracture

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

Splintery, Brittle, Metallic

2.6 Cleavage

3,6

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

2.7 Mohs Hardness

5.54-7

2 10

2.8 Chemical Composition

The chief constituent Lapis Lazuli is Lazurite, with the following chemical formula: (Na,Ca)₈Al₆Si₆O₂₄(S,SO)₄

Not Available

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous, Pearly

3.2 Pleochroism

AbsentWalter Schumann

Trichroic

3.3 Dispersion

NoneNA

0.007 1

3.4 Transparency

Opaque

Not Available

3.5 Refractive Index

1.500-1.6701.71-1.74

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Trigonal

Triclinic

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Gemstones of the world (2001)

Color grading system

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

Lapis lazuli Vs Kyanite Fracture

Fracture is an important parameter when you compare Lapis lazuli and Kyanite Physical Properties. It is necessary to understand the significance of these properties, before you compare Lapis lazuli Vs Kyanite 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 Lapis lazuli is ConchoidalWalter Schumann, Gemstones of the world (2001) and Uneven-Conchoidal. Kyanite fracture is Brittle, Metallic and Splintery.

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Lapis lazuli Vs Kyanite Luster

A primary knowledge about Lapis lazuli vs Kyanite 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. Lapis lazuli exhibits Greasy and Vitreous luster. Kyanite, on other hand, exhibits Pearly and Vitreous luster.