These earrings are each a unique slice of rutilated quartz in a gold bezel. While this quartz was forming underground, it trapped many 'needles' of black tourmaline giving them this unique graffiti effect. Like stained glass, light can pass through them when you wear them, highlighting this amazing characteristic.
Preferred earring weight is personal and subjective, as everyone's earlobes and weight tolerances vary. In an attempt to help you know what an earring will feel like when you wear it I have included the weight of a single earring in each description. Further, the following weight categories reflect some degree of industry standard:
FEATHER WEIGHT -----------------> Less than .10 ounces