Bertrandite

Spinel

Bertrandite Vs Spinel

Bertrandite

Spinel

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Astrology

Origin

Southern and central Africa

Brazil, USA, Madagascar, Sri Lanka, Burma, Thailand, Cambodia, Afghanistan, Russia

Color

Colorless, Yellow

Blue, Violet, Colorless, Red, Green, Brown

Streak

White

For which Rashi?

Sagittarius, Scorpio

Planet

Pluto

Element of Planets

Energy

How to Wear?

Finger

Ring Metal

Deities

Hephaestus

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.59-2.603.64-3.66

1 7.18

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Fracture

Conchoidal, Uneven

Cleavage

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

None, but may exhibit slight parting

Mohs Hardness

6-78

2 10

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Chemical Composition

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

MgAl₂O₄

Optical Properties

Luster

Vitreous

Pleochroism

none.

Absent

Dispersion

0.010.02

0.005 1

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Transparency

TransparentAnthony et al

Transparent, Translucent, Transparent to translucent

Refractive Index

1.583-1.6141.73

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

TransparentUlrich Henn and Claudio C. Milisenda

Benefits

Physical

Neurological

Cardiovascular

Promotes mental clarity

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Revitalization

Healing

Emotional healing

Qualities Associated

Creativity

Vitality

Bertrandite Vs Spinel Fracture

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

Compare Colorless Gems

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Bertrandite Vs Spinel Luster

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