Color- Rhodolite can be slightly purplish red, strongly purplish red, purple-red, reddish purple, purple.
Clarity- Rhodolite is a TYPE II stone. The lighter tones or large stones may not be eye clean.
Cut- Well cut stones usually available.
Carat Weight- Large stones up to 50 carats readily available. Prices may decrease above 20 carats.
Reference Data-
RI 1.76-0 SG 3.80
H = 7.00-7.50
Fluorescence: LW & SW Inert.
Spectrum: Three lines at 5050, 5250, 5750.
Treatment- Not usually treated.
The above information comes from The GemGuide