Pleonaste

Gedrite

Pleonaste Vs Gedrite

Pleonaste

Gedrite

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1 Astrology

1.1 Origin

Madagascar, Sri Lanka

Southern and central Africa

1.2 Color

White, Colorless, Blue, Red, Green, Yellow, Violet

Brown, Brown, Green, Green, gray, White

1.3 Streak

Not Available

gray, White, gray, 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

3.803.15-3.259

1 7.18

2.5 Fracture

Not Available

2.6 Cleavage

Not Available

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

2.7 Mohs Hardness

85.5-6

2 10

2.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

3 Optical Properties

3.1 Luster

Not Available

Fibrous, Vitreous

3.2 Pleochroism

Not Available

Weak to moderate

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Gemmological Tables (2004)

Transparent

3.5 Refractive Index

1.7801.625-1.718

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Not Available

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

3.8 Birefringence

Not AvailableNot Available

0 0.296

3.9 Clarity

Gemmological Tables (2004)

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

Pleonaste Vs Gedrite Fracture

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

A primary knowledge about Pleonaste vs Gedrite 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, on other hand, exhibits Fibrous and Vitreous luster.