This is an 70s or 80s movie, I last saw it as a small child so bear with me.
It involves a space craft in the middle of a forest on a different planet. Maybe the ship crashed? A blond woman actor in the ship with possibly a child? No helmet or oxygen needed on the planet.
The setting has almost a Star Wars feel to it. I vaguely remember something about a small glowing crystal and even fairy like creatures.
After having made a couple of cheeky comments I actually think that this could be Caravan of Courage: An Ewok Adventure.
Made mid-1980s so fits your timescale. Star Wars feel as it's a Star Wars spin off. Forest setting. Crashed Spaceship. Fairy like creatures called "Wisties" (would not have recalled that, thank you google). Blond child, not sure about a blond adult woman but there is a blond teenage boy... Not sure about a glowing crystal so there is room for error here.
Watch the trailer here...
For an image of a Wistie see this page on Wookieepedia.
