Zircon

Where does the oldest mineral of Zircon was found?

• South Africa

• Australia

• Sri Lanka

• Myanmar

Answer explanation

Found in Australia, it is the oldest mineral on Earth, dating back more than 4.4 billion years.

What is the chemical composition for Zircon?

• Zirconium Silicate (ZrSiO4)

• Zirconium Oxide (ZrO2)

• Zirconium (Zr)

• Zirconium Diboride (ZrB2)

Colorless zircon is also known as

• Manira

• Mariana

• Matara

• Matira

Answer explanation

Colorless zircon is known as 'Matara' after a city in Sri Lanka where it is mined.

Is Zircon the same as Cubic Zirconia (CZ)?

• Yes

• No

What is the Mohs Scale value of Zircon?

• 8.5 - 10

• 3 - 4.5

• 5.5 - 6.5

• 6 - 7.5

Blue Zircon is the birthstone of the month

• December

• January

• April

• October

What is the trace element that can be found in Zircon?

• Nitrogen

• Uranium

• Hydrogen

• Rhodium

What is the treatment used to enhance the colour of a Zircon?

• Dyeing

• HPHT (High Pressure High Temperature) Treatment

• Heat Treatment

• Surface Coating