Sugilite

Howlite

Sugilite Vs Howlite

Sugilite

Howlite

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1 Astrology

1.1 Origin

Canada, Southern and central Africa, Italy, Australia, India

Southern and central Africa

1.2 Color

Violet, Brownish, Yellow, Reddish, Pale pink

Blue, Colorless, White

1.3 Streak

White

1.4 For which Rashi?

Virgo

Gemini, Virgo, Gemini, Virgo, Gemini, Virgo

1.5 Planet

Mercury, Jupiter

Moon

1.6 Element of Planets

Water

Earth

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Receptive

Not Available

1.9 Deities

The All

Quan Yin

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

All

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

2.69-2.792.45-2.58

1 7.18

2.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

2.6 Cleavage

Poor on {0001}

None

2.7 Mohs Hardness

5.5-6.53-3.5

2 10

2.8 Chemical Composition

KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Weak

NilArthur Thomas

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.607-1.6121.583-1.608

1 3.25

3.6 Optic Character

Not Available

3.7 Crystal System

Hexagonal

monoclinic

3.8 Birefringence

0.0030.019

0 0.296

3.9 Clarity

Translucent

Gemmological Tables (2004) More from other references

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Sugilite Vs Howlite Fracture

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

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Sugilite Vs Howlite Luster

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