Gedrite

Indicolite Blue Tourmaline

Gedrite Vs Indicolite Blue Tourmaline

Gedrite

Indicolite Blue Tourmaline

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1 Astrology

1.1 Origin

Southern and central Africa

Afghanistan, Brazil, Mozambique, Pakistan, Sri Lanka

1.2 Color

Brown, Brown, Green, Green, gray, White

Blue

1.3 Streak

gray, White, gray, White

Not Available

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

3.15-3.2593.05-3.11

1 7.18

2.5 Fracture

Not Available

2.6 Cleavage

Gedrite Magnesiogedrite , Comments: Dark gray cleavage fragment of magnesiogedrite (gedrite). , Location: Bamble, Telemark, Norway. , Scale: See Image.

Not Available

2.7 Mohs Hardness

5.5-67-7.5

2 10

2.8 Chemical Composition

(Mg,Fe2+ ) 2[(Mg,Fe2+ ) 3Al 2](Si 6Al 2)O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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.

3 Optical Properties

3.1 Luster

Fibrous, Vitreous

Not Available

3.2 Pleochroism

Weak to moderate

Strong: dark blue light blueWalter Schumann

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Transparent

Transparent, Translucent

3.5 Refractive Index

1.625-1.7181.614-1.666

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma

Not Available

3.8 Birefringence

Not Available0.014-0.040

0 0.296

3.9 Clarity

Transparent

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

Gedrite Vs Indicolite Blue Tourmaline Fracture

Fracture is an important parameter when you compare Gedrite and Indicolite Blue Tourmaline Physical Properties. It is necessary to understand the significance of these properties, before you compare Gedrite Vs Indicolite Blue Tourmaline 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.

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Gedrite Vs Indicolite Blue Tourmaline Luster

A primary knowledge about Gedrite vs Indicolite Blue Tourmaline 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. Gedrite exhibits Fibrous and Vitreous luster.