0
Still curious? Ask our experts.
Chat with our AI personalities
JudySimplicity is my specialty.
Chat with Judy
RafaThere's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
DevinI've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin
Add your answer:
Earn +20 ptsQ: What are the third and fourth hardest gems?
Write your answer...
Submit
Still have questions?
Continue Learning about Natural Sciences
What is the hardest metal in the world?
Osmium is one-third as hard as quartz. Tool steels are one-fourth as hard as osmium. Chromium has a oxide layer harder than corundum if dry and sputtered.
What is the second hardest natural substance on earth?
The second hardest natural substance on earth is moissanite, which is a mineral composed of silicon carbide. Only diamond, which is made of pure carbon, is harder than moissanite.
What is the seventh planet from the sun and the third largest and fourth most massive planet in the solar system?
The seventh planet from the sun is Uranus. It is the third largest planet in our solar system and the fourth most massive.
What is the title of someone who studies gems?
A gemologist is a person who studies gems.
What is the third and fourth largest islands in the Philippines?
The third largest island in the Philippines is Samar, known for its natural beauty and diverse ecosystem. The fourth largest island is Palawan, famous for its stunning beaches, coral reefs, and underground river.
Trending Questions
Why are chemicals used in hydroponics?
What is a bright planet in the sky at night?
What happens to the thickened uterine lining fertilization if does not occur?
What land features are associated with the process of orogenesis at divergent boundaries?
What does 0.1 mean in the metric system?
A rocket ship leaves earth's atmosphere its initial velocity is less than its final velocity which is this an example of?
Where is Eldfell loction?
What would the world be like without school?
Is astronomy Latin?
What common lawn weeds grow in the eastern United States of America?
Where could one purchase a misting system for a green house?
Properties of chemical substances in mobile phones?
Simplify and solve this equation 4m 9 5m-12 42?
How can you describe Busan?
What is the space between cinema seats called?
What Is the perspective in geography that examines locations on the planet based on their relative location to objects?
What are the chromosomes that carry the same sets of genes?
What are the 4 different ways of separating solids from liquids?
Why does courtesy light flash and dinging noise occur in 1996 Dodge Stratus when driving?
What are metaphors for Golgi bodies?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.