square cut bikitaite

bikitaite

white crystals of purple fluorite and bikitaite from North Carolina, United States

white crystals of purple fluorite and bikitaite from North Carolina, United States

Detailed sheet

bikitaite

,

It ows its name to the type locality at Bikita, Zimbawe, where it was discovered



CHEMICAL CHARACTERISTICS

Li[AlSi2O6] - H2O

hydrated aluminium lithium tektosilicate



PHYSICAL CHARACTERISTICS

Main color

colourless

Other colors

white

white

Color of streak

white

Luster

vitreous

Hardness

6.0 to 0.0

Density

2.30 to 0.00

Cleavage

perfect

Fracture

conchoidal



OPTICAL PROPERTIES

Transparency

translucent, transparent

Refractive index

1.510 - 1.523

Double refraction

0.012

weak biaxial (-)

visible double refraction

No

Pleochroism

absent

Number of colors

1

Fluorescence

weak

yellow



CRYSTALS PROPERTIES

prismatic biterminal

crystals system

triclinic



OTHER INFORMATIONS



APPROACHING GEMS

vayrynenite, aenigmatite, ilvaite, nephrite, jadeite, augite, zoisite, zircon, yugawaralite, willemite,

Exploited
sites

It is found in the United States, North Carolina (Foote Mine, near Cleveland), and Zimbabwe where it was discovered near Bikita, Masvingo District.

use in jewelry

it’s a collection stone

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