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Kyanite

  • 10 Piece/Pieces contact us
  • Fresh
  • Guangdong China (Mainland)
  • Shenzhen
  • 5*7mm
  • Tag:blue kyanite,natural kyanite
Post Date : June 04
Product Details
Company Profile

Item specifics

Fresh
Guangdong China (Mainland)
Shenzhen
5*7mm
Natural
T/T,Western Union,paypal
Cat&
2800 Piece/Pieces per Month contact us

Specifications

Kyanite alone with raw kyanite
Crystalline,Trigonal system
Viterous lust
Refraction:1.716-1.731(+0.004)g/cu.cm

Kyanite along with raw kyanite

47Kyanite(Crystal and Cut) .jpg

5*7mm

9.5USD/box

Features:

-Crystalline state: Crystalline

-Crystal system: trigonal system

-Luster: vitreous luster

-Color: light-dark blue,green,grey,brown,colorless

-Mohs hardness: 4-5 / 6-7

-Density: 3.68(+0.01,-0.12)g/cu.cm

-Optical character: Ansotropic material,biaxial crystal, Negative character

-Pleochroism: blue Kyanite: medium,colorless,dark blue and purple

-Refractive index: 1.716-1.731(+0.004)g/cu.cm

-Birefringence: 0.012-0.017

-Ultraviolet fluorescence:LW:WEAK,RED; SW:no-orange;SW:no

-Special optical effect:cat's eye

-Optimization process: unseen

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Spinel

Spinel

Spinel

Spinel
Cubic system
Viterous lust
Refraction:1.718((+0.10,-0.03)g/cu.cm
Hardness: 8

Spinel

39Spinel in Mother Rock.jpg

Crystalline state: Crystalline

Crystal system: trigonal system

Luster: vitreous luster

Mohs hardness: 8

Density: 3.60(+0.10,-0.03)g/cu.cm

Optical character: Ansotropic material,aiaxial crystal, Negative character

Pleochroism: medium to strong, dark and light color

Refractive index: 1.718(+0.017,-0.008)g/cu.cm

Birefringence: no

Ultraviolet fluorescence:red,orange,pink:LW:weak to strong,red,red-orange;SW: none to weak,red, reddish orange.green:LW:none to medium,orange to orange -red.

Absorption spectrum: Red:685nm,684nm strong absorption line,656nm weak absorption band,595nm-490nm strong absorption band. Blue,purple:460nm strong absorption band,430nm-435nm, 480nm,550nm,565nm-575nm, 590nm,625nm absorption band.

Special optical effect:asterism,change of color

optimization process: unseen

Detail more >>
Peridot

Peridot

Peridot

Peridot
Orthorhombic system
Color:yellow-green,green,brown-green
Viterous lust
Refraction:1.652-1.692

37Perido Crystal.jpg

Peridot

Crystalline state: Crystalline

Crystal system: orthorhombic system

Crystal habit: column

Common color: yellow-green, green,brown green

Luster: vitreous luster

Mohs hardness: 6.5-7

Density: 3.34(+0.14,-0.07)g/cu.cm

Optical character: Ansotropic material,Biaxial crystal, Positive character

Pleochroism: weak, yellow-green,green

Refractive index: 1.654-1.690(+020)

Birefringence: 0.035-0.038

Ultraviolet fluorescence:no

Absorption spectrum: 453nm,477nm,497nm strong absorption band

Special optical effect:asterism

optimization process: unseen

Detail more >>
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