Chatty, have you tried Voice Recognition Software? The are several types out there and do exactly that -- you speak and the software types into your computer.

Celtic, the different colors are based on the mineral inclusions. However, I looked in my 3 reference books at home and found no mention of green amethyst. That doesn't mean it can't exist, but I didn't find it. There is ametrine, an amethyst/citrine mix. Healing properties would change somewhat due to color.
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