Howlite

Danburite

Howlite Vs Danburite

Howlite

Danburite

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1 Astrology

1.1 Origin

Southern and central Africa

USA, Mexico, Brazil, Switzerland, Sri Lanka, Burma, Madagascar, Color: colorless, light yellow, light pink, Hardness: 7, Refractive index: 1.63 1.64, Density: 2.98 3.03, Chemical composition: Ca(B2Si2O8), Crystal structure: orthorhombic, Origins: USA, Mexico, Brazil, Germany, Switzerland, Sri Lanka, Burma, Madagascar, Japan. Colorless danburites are common, with light pink or yellowish stones being more rare and expensive. Only eye clean pieces are valuable.

1.2 Color

Blue, Colorless, White

Yellow, Brown, Colorless, White, gray, Brownish, Yellow

1.3 Streak

White

1.4 For which Rashi?

Gemini, Virgo, Gemini, Virgo, Gemini, Virgo

Not Available

1.5 Planet

Moon

Not Available

1.6 Element of Planets

Earth

Not Available

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

Quan Yin

Not Available

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

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.45-2.582.97-3.03

1 7.18

2.5 Fracture

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

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

2.6 Cleavage

None

{001} Poor

2.7 Mohs Hardness

3-3.57

2 10

2.8 Chemical Composition

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

CaB 2(SiO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

3 Optical Properties

3.1 Luster

Vitreous

Vitreous, Greasy

3.2 Pleochroism

NilArthur Thomas

Weak: pale yellow yellow

3.3 Dispersion

NA0.02

0.007 1

3.4 Transparency

Gemmological Tables (2004) More from other references

3.5 Refractive Index

1.583-1.6081.627-1.639

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

monoclinic

Orthorhombic

3.8 Birefringence

0.0190.006

0 0.296

3.9 Clarity

Gemmological Tables (2004) More from other references

TransparentUlrich Henn and Claudio C. Milisenda

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

Howlite Vs Danburite Fracture

Fracture is an important parameter when you compare Howlite and Danburite Physical Properties. It is necessary to understand the significance of these properties, before you compare Howlite Vs Danburite 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 Howlite is Brittle, Conchoidal, Gemstones (2009), Gemstones (2009), UnevenArthur Thomas and UnevenArthur Thomas. Danburite fracture is Brittle, Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Uneven and Uneven.

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Howlite Vs Danburite Luster

A primary knowledge about Howlite vs Danburite 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. Howlite exhibits Vitreous luster. Danburite, on other hand, exhibits Greasy and Vitreous luster.