Question: What color is the rarest shade of sapphire?
Yellow and red
Blue and green
Pink and orange
Correct Answer: Pink and orange
Question: What gemstone is made from tree resin and not a mineral?
Amber
Turquoise
Opal
Correct Answer: Amber
Question: Which gemstone is considered the most durable, with a hardness of 10?
Emerald
Diamond
Garnet
Correct Answer: Diamond