Kyanite

Legrandite

Kyanite Vs Legrandite

Kyanite

Legrandite

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1 Astrology

1.1 Origin

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

Mexico

1.2 Color

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

Yellow, yellowish orange

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.53-3.653.98-4.04

1 7.18

2.5 Fracture

Splintery, Brittle, Metallic

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

2.6 Cleavage

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

Imperfect, poor one {100}

2.7 Mohs Hardness

4-74.5-5

2 10

2.8 Chemical Composition

Not Available

Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous, Pearly

Vitreous

3.2 Pleochroism

Trichroic

Colorless

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Not Available

Gems

3.5 Refractive Index

1.71-1.741.702-1.740

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Triclinic

monoclinic

3.8 Birefringence

Not Available0.060

0 0.296

3.9 Clarity

Color grading system

Gems

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 Legrandite Fracture

Fracture is an important parameter when you compare Kyanite and Legrandite Physical Properties. It is necessary to understand the significance of these properties, before you compare Kyanite Vs Legrandite 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. Legrandite fracture is Brittle, Conchoidal, Gemstones (2009) and UnevenArthur Thomas.

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Kyanite Vs Legrandite Luster

A primary knowledge about Kyanite vs Legrandite 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. Legrandite, on other hand, exhibits Vitreous luster.