Lithiophilite In Quartz | Gemopedia

Lithiophilite is a very scarce phosphate mineral. When present in crystal quartz, its pinkish to brown crystals make a colorful display prized by mineral collectors.
Colors
Colorless With Reddish-Brown, Yellowish Brown, Yellow, Orange, Pink Inclusions

Lithiophilite In Quartz Classification

Common Name

Lithiophilite In Quartz

Species

Quartz

Variety

Lithiophilite In Quartz

Colors

Colorless With Reddish-Brown, Yellowish Brown, Yellow, Orange, Pink Inclusions

Alternate Names

Gemstone Groups

Key Separations

Refractive index, appearance, birefringence, optic character and optic figure. A bull's-eye optic figure is determinative for quartz; may also show Airy's spiral optic figure and Brazil-law twinning under crossed polarizing filters.

Comments

Lithiophilite In Quartz Optical Properties

Transparency

Transparent - Translucent

Refractive Index

1.544-1.553
Tolerance:very constant

Birefringence

0.009

Optic Character

Uniaxial

Optic Sign

Positive

Polariscope Reaction

Doubly Refractive (DR)

Fluorescence

SWUV: Inert
LWUV: Inert

CCF Reaction

Pleochroism

None

Dispersion

Strength: weak fire Value: 0.013

Comments

Lithiophilite In Quartz Chemistry & Crystallography

Chemical Name

silicon dioxide (aka silica)

Chemical Formula

SiO2

Synthesis

Crystal System

Trigonal

Classification

Sulfide

Nature

Natural

Crystallinity

Crystalline to Aggregate

Comments

Lithiophilite In Quartz Characteristic Physical Properties

Hardness

7

Streak

White

Specific Gravity

2.64-2.69 Typical:2.66

Toughness

Good

Inclusions

Lithiophilite in quartz will have lithiophilite inclusions and may contain liquid, two-phase and three-phase inclusions, negative crystals, minerals, needles, rutile and iron particles.

Luster

Vitreous

Stability

Good

Fracture

Conchoidal

Cleavage

None

Comments

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