Possible Minerals:
* Serpentine: A common mineral with a pale green streak.
* Chlorite: Another common mineral with a pale green streak.
* Malachite: Has a bright green streak, but can be pale green depending on the sample.
* Chrysocolla: Can have a pale green streak, but often is bluish-green.
* Apatite: Some varieties have a pale green streak.
* Fluorite: Can have a pale green streak, but can also be various other colors.
Why more information is needed:
* Color: A pale green streak is not very specific. Many minerals can have a similar streak.
* Hardness: The hardness of a mineral can help narrow it down. Serpentine and chlorite are relatively soft, while apatite and fluorite are harder.
* Luster: The way a mineral reflects light (metallic, glassy, etc.) can also help.
* Location: Knowing where the mineral was found can help identify it.
To help you narrow it down, can you tell me:
* What color is the mineral itself?
* How hard is the mineral? (You can test this by trying to scratch it with your fingernail, a copper penny, or a glass plate).
* What does the mineral look like? (Is it shiny, dull, sparkly, etc.?)
* Where did you find the mineral?
With more information, I can help you identify the specific mineral with a pale green streak.