Andradite

Howlite

Andradite Vs Howlite

Andradite

Howlite

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Astrology

Origin

Italy, Russia

Southern and central Africa

Color

Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray

Blue, Colorless, White

Streak

White

For which Rashi?

Gemini, Virgo

Planet

Element of Planets

Earth

Energy

How to Wear?

Finger

Ring Metal

Deities

Quan Yin

Not to wear with

Powers

Birthstone

Planetary

Talisman

Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.70-4.102.45-2.58

1 7.18

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Fracture

Conchoidal, Uneven

Conchoidal

Cleavage

none

None

Mohs Hardness

6.5-73-3.5

2 10

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Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Ca 2B 5SiO 9(OH) 5Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Optical Properties

Luster

Adamantine, Resinous

Vitreous

Pleochroism

Dispersion

0.060.01

0.005 1

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Transparency

Transparent

Refractive Index

1.88-1.941.583-1.608

1 3.25

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Optic Character

Crystal System

cubic

monoclinic

Birefringence

0.0570.019

0 0.296

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Clarity

Transparent

Benefits

Physical

Neurological

Enhances mental clarity and focus

Aids in mental clarity and focus

Cardiovascular

Supports heart health

Respiratory

Good

Reproductive

Digestive

Psychology

Positivity

Calming

Healing

Physical healing

Emotional healing

Qualities Associated

Empowerment

Calming

Andradite Vs Howlite Fracture

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

Compare Green Gemstones

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Andradite Vs Howlite Luster

A primary knowledge about Andradite vs Howlite 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. Andradite exhibits Adamantine and Resinous luster. Howlite, on other hand, exhibits Vitreous luster.