Bertrandite

Lazurite

Bertrandite Vs Lazurite

Bertrandite

Lazurite

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Astrology

Origin

Southern and central Africa

Afghanistan, Southern and central Africa

Color

Colorless, Yellow

Blue, Greenish, Violet

Streak

White

Blue, 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

2.59-2.602.75

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

Imperfect on {110}

Mohs Hardness

6-75.5

2 10

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Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.

Optical Properties

Luster

Vitreous

Pleochroism

none.

Dispersion

0.010.02

0.005 1

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Transparency

TransparentAnthony et al

Refractive Index

1.583-1.6141.500

1 3.25

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Optic Character

Crystal System

Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: Ccm21

Isometric

Birefringence

-9999-9999

0 0.296

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Clarity

TransparentAnthony et al

Benefits

Physical

Neurological

Enhances mental clarity and focus

Cardiovascular

Promotes mental clarity

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Communication

Healing

Emotional healing

Qualities Associated

Creativity

Clarity

Bertrandite Vs Lazurite Fracture

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

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Bertrandite Vs Lazurite Luster

A primary knowledge about Bertrandite vs Lazurite 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. Bertrandite exhibits Vitreous luster. Lazurite, on other hand, exhibits Vitreous luster.