What result will show the difference between quartz and fluorite in a - ProProfs Discuss
Topics-
Products +
     

What result will show the difference between quartz and fluorite in a hardness test? Both Both quartz and fluorite come in a variety of colors. Because they both share some of the same color varieties, they are often mistaken for each other. In order to tell them apart, a hardness test Must be done.





A. Diamond scratches quartz and fluorite
B. Quartz scratches talc
C. Fluorite scratches talc
D. Apatite scratches fluorite

This question is part of Rocks and Minerals Test
Asked by Trich, Last updated: May 01, 2019

+ AnswerRequest Answer
...

3 Answers

R. Hazlewood

Here to relax my mind a bit

R. HazlewoodSenior Executive, MBA, Louisville
Senior Executive, MBA, Louisville

Answered on May 01, 2019

The correct answer is option D
Hardness refers to how a mineral substance responds to or resists scratching by another mineral substance. Hardness is plays a vital role to help determine and identify a mineral substance.

In hardness, if substance X scratches substance Y and substance Y does not scratch substance X, then substance X is harder than substance Y. This is the case of fluorite and apatite. Apatite is harder than fluorite, therefore, it scratches fluorite and fluorite doesn’t scratch apatite.

Apatite cannot scratch quartz because quartz is known to be harder than apatite. This is a way to tell quartz and apatite apart.
Hope this helps.

 Reply

John Adney

John Adney

Answered on Jan 27, 2017

#4 apatite scratches fluorite
 Reply

John Smith

John Smith

Answered on Jan 28, 2017

Apatite scratches fluorite
 Reply

Search for Google images
Select a recommended image
Upload from your computer
Search for Google images
Select a recommended image
Upload from your computer
Search for Google images
Select a recommended image
Upload from your computer

Email Sent
We have sent an email to your address "" with instructions to reset your password.