the sap or rosin came to the surface and dried to spheres that reflect their golden color.
Depends on the flashlight, some have many bulbs which would probably shine brighter, or just one big bulb which depending on the bulb, might shine less bright.
Sparkle? Luster?
No
I'm not sure what you mean by 'the amount of light', or how you might plan to 'combine' several beams. When more flashlights shine on a surface, the intensity of illumination on the surface increases.
No.
"Glistened' means to sparkle and shine
swine shine
shine, sparkle, glitz
Yes, they shine -- not sparkle -- when they are still with the other rocks and minerals. But they shine really bright and big so you can tell if its a gold nugget or a diamond. But I guess they can still shine after they get harvest. Diamonds shine when you can see them in a cave or in the ground even after they get harvested, they don't sparkle only once you know, especially after they are cut.
I did! Ellie Coldicutt
Diamonds do not shine but reflect the light from which is pointing at it, to make it seem like it is shining.
Yes, it does.