Which of the following is a yellowish-green to green coloured gemstone often found in mafic and ultramafic igneous rocks such as basalt, gabbro, diabase and peridotite?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. Olivine.
The yellowish-green to green colored gemstone commonly found in mafic and ultramafic igneous rocks like basalt, gabbro, diabase, and peridotite is Olivine. When of gem quality, it is known as Peridot. Peridot is valued for its distinct olive-green hue and is one of the few gemstones formed deep within the Earth's mantle. It is often used in jewellery and is known for its brilliance and durability. This gemstone is also associated with protection and positive energy in various cultures.