Demantoid

Howlite

Demantoid Vs Howlite

Demantoid

Howlite

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1 Astrology

1.1 Origin

Italy

Southern and central Africa

1.2 Color

Green

Blue, Colorless, White

1.3 Streak

Not Available

White

1.4 For which Rashi?

Not Available

Gemini, Virgo, Gemini, Virgo, Gemini, Virgo

1.5 Planet

Not Available

Moon

1.6 Element of Planets

Not Available

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

Quan Yin

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

3.77-3.952.45-2.58

1 7.18

2.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

2.6 Cleavage

Not Available

None

2.7 Mohs Hardness

6.53-3.5

2 10

1.5 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

2 Optical Properties

2.1 Luster

Adamantine

Vitreous

2.2 Pleochroism

None

NilArthur Thomas

2.3 Dispersion

NANA

0.007 1

2.7 Transparency

Gemmological Tables (2004)

Gemmological Tables (2004) More from other references

2.8 Refractive Index

1.880-1.8901.583-1.608

1 3.25

2.10 Optic Character

Not Available

2.11 Crystal System

cubic

monoclinic

2.12 Birefringence

Not Available0.019

0 0.296

2.13 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Gemmological Tables (2004) More from other references

3 Benefits

3.1 Physical

3.1.1 Neurological

Not Available

3.1.2 Cardiovascular

Not Available

3.1.3 Respiratory

Not Available

3.1.4 Reproductive

Not Available

3.1.5 Digestive

Not Available

3.2 Psychology

Not Available

3.3 Healing

Not Available

3.4 Qualities Associated

Not Available

Demantoid Vs Howlite Fracture

Fracture is an important parameter when you compare Demantoid and Howlite Physical Properties. It is necessary to understand the significance of these properties, before you compare Demantoid 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. Howlite fracture is Brittle, Conchoidal, Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas.

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Demantoid Vs Howlite Luster

A primary knowledge about Demantoid 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. Demantoid exhibits Adamantine luster. Howlite, on other hand, exhibits Vitreous luster.