Bertrandite

Chalcedony

Bertrandite Vs Chalcedony

Bertrandite

Chalcedony

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Astrology

Origin

Southern and central Africa

Zimbabwe

Color

Colorless, Yellow

Violet, White, gray, Blue, Brown, Black

Streak

White

For which Rashi?

Cancer, Sagittarius

Planet

Element of Planets

Water

Energy

How to Wear?

Finger

Ring Metal

Deities

Goddess Whope

Not to wear with

Powers

Protection

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Solubility

Soluble

Durability

Specific Gravity

2.59-2.602.55-2.70

1 7.18

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Fracture

Uneven, Splintery, Conchoidal

Cleavage

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

Absent

Mohs Hardness

6-76.5-7

2 10

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Chemical Composition

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

SiO₂

Optical Properties

Luster

Vitreous

Pleochroism

none.

Dispersion

0.010.01

0.005 1

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Transparency

TransparentAnthony et al

Translucent, Translucent to opaque

Refractive Index

1.583-1.6141.530-1.543

1 3.25

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Optic Character

Crystal System

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

Trigonal

Birefringence

-99990.003-0.009

0 0.296

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Clarity

TransparentAnthony et al

Translucent

Benefits

Physical

Neurological

Cardiovascular

Promotes mental clarity

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Harmony

Healing

Emotional healing

Qualities Associated

Creativity

Harmony

Bertrandite Vs Chalcedony Fracture

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

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Bertrandite Vs Chalcedony Luster

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