Iolite

Legrandite

Iolite Vs Legrandite

Iolite

Legrandite

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1 Astrology

1.1 Origin

Brazil, USA, Canada, Madagascar, Sri Lanka, India, Burma

Mexico

1.2 Color

Blue, Violet, Blue, Yellow, Grey

Yellow, yellowish orange

1.3 Streak

Not Available

White

1.4 For which Rashi?

Libra, Sagittarius, Taurus, Libra, Sagittarius, Taurus, 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

Not Available

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.6-2.73.98-4.04

1 7.18

2.5 Fracture

Not Available

Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle

2.6 Cleavage

3,1

Imperfect, poor one {100}

2.7 Mohs Hardness

7-7.54.5-5

2 10

2.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

Colorless

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent, Translucent, Transparent to translucent

Gems

3.5 Refractive Index

1.52-1.561.702-1.740

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic

monoclinic

3.8 Birefringence

Not Available0.060

0 0.296

3.9 Clarity

Transparent to translucent

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

Iolite Vs Legrandite Fracture

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

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Iolite Vs Legrandite Luster

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