Colour changing Kunzite?

1. Colour changing Kunzite?  /by  Angelica  at Apr 1 2009,1:04 PM/
Does it mean that kunzite can change color?
2.  Kunzite - pleochroism and color-fading effect  /by  David Weinberg  at Apr 1 2009,1:04 PM/
Kunzite is the pink to light purple gem variety of the mineral Spodumene. The other variety is green and is known as Hiddenite.
3. Colour change not quite the same thing as pleochroism  /by  Dominica Lachance  at Apr 1 2009,3:04 PM/
Kunzite is trichroic, which means that three colors can be viewed from differing angles: pink, clear and violet