Hurlbutite

Herderite

Hurlbutite Vs Herderite

Hurlbutite

Herderite

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1 Astrology

1.1 Origin

USA

Southern and central Africa

1.2 Color

Colorless, Greenish, White, Yellow

Colorless, White, Greenish

1.3 Streak

White

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

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

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

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.902.90-3.02

1 7.18

2.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

2.6 Cleavage

None

Indistinct on {110}

2.7 Mohs Hardness

65-5.5

2 10

2.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

CaBePO 4(F,OH)Ulrich Henn and Claudio C.

3 Optical Properties

3.1 Luster

Vitreous

3.2 Pleochroism

Not Available

3.3 Dispersion

NANA

0.007 1

3.4 Transparency

Transparent

3.5 Refractive Index

1.595-1.6041.587-1.642

1 3.25

3.6 Optic Character

Not Available

Biaxial/+

3.7 Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

monoclinic

3.8 Birefringence

0.0090.028-0.032

0 0.296

3.9 Clarity

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

Hurlbutite Vs Herderite Fracture

Fracture is an important parameter when you compare Hurlbutite and Herderite Physical Properties. It is necessary to understand the significance of these properties, before you compare Hurlbutite Vs Herderite 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 Hurlbutite is Brittle, Conchoidal, ConchoidalAnthony et al, ConchoidalAnthony et al, Handbook of mineralogy (2001) and Handbook of mineralogy (2001). Herderite fracture is Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009) and Subconchoidal.

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Hurlbutite Vs Herderite Luster

A primary knowledge about Hurlbutite vs Herderite 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. Hurlbutite exhibits Vitreous luster. Herderite, on other hand, exhibits Vitreous luster.