Boracite

Grandidierite

Boracite Vs Grandidierite

Boracite

Grandidierite

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Astrology

Origin

Southern and central Africa

Madagascar

Color

Colorless, White, Yellow, Blue, Green, gray

Green

Streak

White

For which Rashi?

Planet

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Soluble

Durability

Specific Gravity

2.95-2.962.85-3.00

1 7.18

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Fracture

Conchoidal

Uneven

Cleavage

None

Perfect

Mohs Hardness

7-7.57.5

2 10

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Chemical Composition

Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Optical Properties

Luster

Vitreous, Adamantine

Vitreous, Pearly

Pleochroism

None

visible

Dispersion

-0.04

0.005 1

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Transparency

Transparent

Refractive Index

1.658-1.6731.578-1.639

1 3.25

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Optic Character

Crystal System

Orthorhombic

Birefringence

0.010-0.0110.037-0.039

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Reproductive

Digestive

Psychology

Wisdom

Healing

Emotional healing

Physical healing

Qualities Associated

Peace

Harmony

Boracite Vs Grandidierite Fracture

Fracture is an important parameter when you compare Boracite and Grandidierite Physical Properties. It is necessary to understand the significance of these properties, before you compare Boracite 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 Boracite is Conchoidal. Grandidierite fracture is Uneven.

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Boracite Vs Grandidierite Luster

A primary knowledge about Boracite 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. Boracite exhibits Vitreous and Adamantine luster. Grandidierite, on other hand, exhibits Vitreous and Pearly luster.