Hureaulite

Grandidierite

Hureaulite Vs Grandidierite

Hureaulite

Grandidierite

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1 Astrology

1.1 Origin

USA, Southern and central Africa

Madagascar

1.2 Color

Violet, Red, White, Reddish

Green

1.3 Streak

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

3.192.85-3.00

1 7.18

2.5 Fracture

Brittle, Uneven

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

2.6 Cleavage

{???} Distinct

Perfect

2.7 Mohs Hardness

3.57.5

2 10

2.8 Chemical Composition

Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael OâDonoghue , Gems, Sixth Edition (2006)

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

3 Optical Properties

3.1 Luster

Vitreous, Greasy

Vitreous, Pearly

3.2 Pleochroism

Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

visible

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.647-1.6671.578-1.639

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Orthorhombic

3.8 Birefringence

0.0120.037-0.039

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

Hureaulite Vs Grandidierite Fracture

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

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Hureaulite Vs Grandidierite Luster

A primary knowledge about Hureaulite 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. Hureaulite exhibits Greasy and Vitreous luster. Grandidierite, on other hand, exhibits Pearly and Vitreous luster.