Gnu Quartz Soft Gloss
Available on Google Play
50,000+ installsFreeGAME CASUAL
Updated May 18, 2026 ยท v40.40.40
Catalog quartz, grade luster, and hardness test.
Quartz mineral catalog for Rose, Amethyst, Citrine, Smoky, and Milky types. Luster intensity slider for grade measurement. Mohs hardness scale selector for level 1-10 classification. Specimen vault for logging collection items with activity timestamps. Interactive polishing simulator with progress percentage indicator.
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