Gemstone Quiz: Guess the Gem

Android App Analysis and Review: Gemstone Quiz: Guess the Gem, Developed by Johnny Keolot. Listed in Trivia Category. Current Version Is 1, Updated On 09/10/2025 . According to users reviews on Google Play: Gemstone Quiz: Guess the Gem. Achieved Over 19 Installs. Gemstone Quiz: Guess the Gem Currently Has 1 Reviews, Average Rating 5.0 Stars

Can you tell an amethyst from a ruby? An emerald from a sapphire? Test your knowledge in the exciting quiz "Guess the Gemstone"! Beautiful, captivating images of stones and 4 possible answers await you.

Try to achieve a perfect score and prove that you're a true expert in the world of expensive, beautiful, and highly valuable stones? Start the quiz now!

A stone appears in the quiz, and you're presented with 4 options to choose from, only 1 of which is correct. You're given a time limit to think, and it can be adjusted:
- 3 seconds
- 5 seconds
- 10 seconds
- 15 seconds

The fewer seconds you have to think, the more points you earn. You can also choose from a variety of stones per game:
- 10 stones
- 20 stones
- 30 stones
- 50 stones

The more stones, the more points you earn! A bonus is accumulated for a series of correctly guessed stones, which is lost with the first incorrect answer.

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