Welcome: YIWU DONGQING IMP&EXP CO.,LIMITED
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Product Name: Collection of Hardness Demonstration Samples
Model NO.: CS025
Hardness ( on the Mohs scale ) examples contains the following 9 labeled samples:
1. Talc
2. Gypsum
3. Calcite
4. Fluorspar
5. Apatite
6. Orthoclase
7. Quartz
8. Topaz
9. Corundum
Contact: RuoTian.Zhong
Phone: + 86 15314959887
Tel: + 86 13362968680
Email: 42303348@qq.com
Add: Guangdong guangzhou tianhe balance sand too road sand road
