Indicolite Blue Tourmaline

Grandidierite

Indicolite Blue Tourmaline Vs Grandidierite

Indicolite Blue Tourmaline

Grandidierite

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1 Astrology

1.1 Origin

Afghanistan, Brazil, Mozambique, Pakistan, Sri Lanka

Madagascar

1.2 Color

Blue

Green

1.3 Streak

Not Available

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.05-3.112.85-3.00

1 7.18

2.5 Fracture

Not Available

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

2.6 Cleavage

Not Available

Perfect

2.7 Mohs Hardness

7-7.57.5

2 10

2.8 Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Not Available

Vitreous, Pearly

3.2 Pleochroism

Strong: dark blue light blueWalter Schumann

visible

3.3 Dispersion

0.02NA

0.007 1

3.4 Transparency

Transparent, Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.614-1.6661.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

Orthorhombic

3.8 Birefringence

0.014-0.0400.037-0.039

0 0.296

3.9 Clarity

Transparent

Gemmological Tables (2004) More from other references

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

Indicolite Blue Tourmaline Vs Grandidierite Fracture

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

Compare Blue Gemstones

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Indicolite Blue Tourmaline Vs Grandidierite Luster

A primary knowledge about Indicolite Blue Tourmaline vs Grandidierite 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. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.