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Professional Tester
Reviewed in the United States on February 9, 2025
For the price and purpose this was a perfect set. Used this for meeting one of the cub scout requirements for Mohs rock hardness. Piece came in labeled bags and the scouts were able to successfully organize the rocks by hardness. Only recommendation/helpful hint is to lay the rocks with their bags and take a picture so you know which rock goes in which bag when you have removed them.
Melody McCullough
Reviewed in the United States on February 13, 2025
Students loved being able to touch and test the various specimens
M.W.
Reviewed in the United States on January 12, 2025
This is a great kit of minerals to represent 9 of the levels of the Mohs Hardness Scale. Each mineral is a good size, at least 1 inch in size and comes individually contained in labeled zip bags. A information sheet is included as well along with a dark and light streak place approx. 1" wide by 3" in length. Well worth the price.
Ricky_Riccardo
Reviewed in the United States on August 8, 2024
This is a nice and inexpensive Mohs Hardness Test kit. The samples are very nice and about 1.0-1.5 in rough cut stones/minerals. Each nicely labeled in little bags. A hardness sheet is also enclosed along with 2 streak plates. I recommend.
Paula Henley
Reviewed in the United States on August 5, 2024
The rock samples provided were helpful in developing the basic knowledge of rock identification and I like the quality. I would recommend this product.
m jacobson
Reviewed in the United States on June 24, 2024
This is a great kit for the price. Most kits with labeled metal scratchers are over $100.I was surprised to open this kit and find just a bag of minerals. I expected them to be labeled, so I would know what each one is.I printed the picture from the Amazon seller's description and figured out what is what but if I was a total beginner, even that could be difficult.Although I would prefer a box with 9 separate labeled spots to hold the 9 mineral specimens,This kit will suit me just fine.I'm glad I bought it.
DJ
Reviewed in the United States on March 27, 2024
Zero information, zero labeling of the different stones, zero instructions on how to use. What a waste of money.
Robert Cook
Reviewed in Canada on November 5, 2024
Streak Plates are not as advertised. Not porcelain. Mineral samples for hardness are not labelled.
Lois
Reviewed in the United States on October 11, 2024
These were perfect mineral examples for the hardness test.
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