List of Gemstones | Rare Minerals | Gem stones | Gems » Hiddenite http://www.all-gemstones.com www.all-gemstones.com    Thu, 06 May 2010 12:29:47 +0000 http://wordpress.org/?v=2.8.6 en hourly 1 Spodumene http://www.all-gemstones.com/spodumene http://www.all-gemstones.com/spodumene#comments Thu, 28 Jan 2010 06:59:54 +0000 admin http://www.all-gemstones.com/?p=1321 Refractive Index : 1.676 – 1.662 (+0.005 – 0.005) Optical Characteristic : DR, B+ Specific Gravity : 3.18 (+0.03 – 0.03) Formula : LiAISi2O6 Crystal System : Monoclinic Variety/Species : spodumene Species/Group : Pyroxene group Birefringence : 0.014 Dispersion : 0.017 Hardness : 6.5 to 7 Toughness : poor Ultrasonic : Never Steam : Never UV Long : Inert UV Short : Inert Pleochroism : 2 colors Strength : moderate
Pleochroism Colors : Heat : sensitive Acids : Avoid hydrofluoric acid Light : stable Polish Luster : vitreous Fracture : Uneven to splintery Fracture Luster : Vitreous Clarity Type : l Tones : 2-4 Saturations : 1-4 Cause of Color : chromium Enhancements : lrradiation Cleavage : perfect 1 direction. Color Range : Pink, bluish purple, green, yellow, colorless, blue (very rare), pinkish, purplish, greenish, yellowish colored varieties light in tone. See also: Kunzite , Hiddenite, Triphane Transparency : Transparent Phenomena : chatoyancy, cat’s eye, Tenebrescence
Separations : Spodumene from-
Tourmaline : RI, birefringence, optic character, SG, fluorescence

Peridot : RI, SG, birefringence, Spectrum, cleavage

Beryl : RI, SG, optic character, cleavage

Komerupine : optic sign, SG, spectrum, fluorescence

Phenakite: optic character, SG, cleavage, fluorescence (possibly)

Euclase: birefringence, SG, cleavage, fluorescence, color (possibly) Identifying Characteristics and information
Liquid inclusions. Spectral Data
See varieties (Kunzite, Hiddenite, Triphane). Trade Names and Misnomers
Cat’s Eye Spodumene
Hiddenite (S)
Kunzite(S)
Pinite
Spodumene
Triphane (S) ]]> http://www.all-gemstones.com/spodumene/feed 0