Covellite

Chrysoberyl

Covellite Vs Chrysoberyl

Covellite

Chrysoberyl

Add ⊕

1 Astrology

1.1 Origin

Mexico

Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma, Color: blue, Not Available, Not Available, Not Available, Hardness: 8.5, Refractive index: 1.74 1.77, Density: 3.68 3.80, Chemical composition: BeAl2O3, Crystal structure: orthorhombic, Origins: Brazil, Madagascar, Zimbabwe, Russia, Sri Lanka, India, Burma. Bluish stones are most valuable. Prices for chrysoberyls grow rapidly with weight, and clean stones bigger than 15 cts are rare and therefore an excellent investment.

1.2 Color

Blue, Blue, Black

Greenish, Green, Brownish, Green, Red, Blue, Green, Brown, Brownish, Green, gray, Blue, Green, Brown, Brownish, Green, gray

1.3 Streak

Grey, Black, gray

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

Earth, Water

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

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

Healing

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Flexible

Brittle

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

4.6-4.76

3.69-3.81

2.5 Fracture

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

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

2.6 Cleavage

Perfect on {0001}

Distinct on {110}, imperfect on {010}, poor on {001}

2.7 Mohs Hardness

Not Available

8.5

2.8 Chemical Composition

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

BeAl ₂ O ₄

3 Optical Properties

3.1 Luster

Resinous

Vitreous

3.2 Pleochroism

Marked

X = red; Y = yellow-orange; Z = emerald-green

3.3 Dispersion

Albite

⊕

▶

▼

Not Available

Rank: N/A (Overall)▶

0.02

Rank: 24 (Overall)▶

▲

Fluorite

⊕

▶

0.044 (Anglesite)

◀ ▶ ADD ⊕

3.4 Transparency

OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references

Transparent, Translucent, Transparent to translucent

3.5 Refractive Index

1.45-2.62

1.746-1.763

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Hexagonal

Orthorhombic

3.8 Birefringence

Not Available

0.007-0.013

3.9 Clarity

OpaqueAnthony et al

Transparent

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

Covellite Vs Chrysoberyl Fracture

Fracture is an important parameter when you compare Covellite and Chrysoberyl Physical Properties. It is necessary to understand the significance of these properties, before you compare Covellite Vs Chrysoberyl 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 Covellite is Brittle, Gemstones (2009), Gemstones (2009), Metallic and UnevenArthur Thomas. Chrysoberyl fracture is Brittle, Brittle, Conchoidal to uneven, ConchoidalWalter Schumann, Metallic, Metallic, Uneven and Uneven.

Compare Blue Gemstones

Covellite Vs Falcons Eye

Covellite Vs Fluorapatite

Covellite Vs Elbaite

Covellite Vs Chrysoberyl Luster

A primary knowledge about Covellite vs Chrysoberyl 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. Covellite exhibits Resinous luster. Chrysoberyl, on other hand, exhibits Vitreous luster.

Blue Gemstones

Cyprine of Berzelius

Diamond

Dravite

Dumortierite

Elbaite

Falcons Eye