Density Mineral / Material Group
various sources no guarantee  
     
2.55 - 2.65 Afghanite  
2.65 Ametrine Quartz
2.65 Citrine Quartz
2.65 Prasiolite Quartz
2.65 Rock Crystal Quartz
2.65 Rose Quartz Quartz
2.65 Smoky Quartz Quartz
2.66 Chkalovite  
2.69 - 2.7 Labradorite Feldspar
2.7 Augelite  
2.7 - 2.72 Bytownite Feldspar
2.71 Calcite  
2.71 - 2.72 Xonotlite  
2.71 - 2.73 Creedite  
2.73 Bultfonteinite  
2.74 Sugilite  
2.74 - 2.76 Phosphosiderite  
2.74 - 2.78 Meionite  
2.75 Catapleiite  
2.77 - 2.85 Bazzite  
2.79 - 2.80 Zektzerite  
2.8 - 2.85 Beryllonite  
2.8 - 2.9 Lepidolite  
2.8 - 3.1 Eudialyte  
2.84 - 2.90 Pectolite / Larimar  
2.84 - 3.10 Elbaite Tourmaline
2.86 Dolomite  
2.86 - 2.96 Pollucite  
2.87 - 2.93 Prehnite  
2.90 - 2.93 Goergeyite  
2.9 - 3 Boracite  
2.9 - 3.3 Richterite  
2.91 Poldervaartite  
2.92 - 2.97 Vlasovite  
2.93 - 2.95 Aragonite  
2.95 Hydroxylherderite  
2.95 - 2.97 Phenakite  
2.95 - 3.28 Ekanite  
2.96 - 3 Datolite  
2.96 - 3.35 Nephrite  
2.97 Pezzottaite Beryl
2.97 - 3 Hsianghualite  
2.97 - 3.02 Danburite  
2.97 - 3.15 Uvite Tourmaline
2.98 Anhydrite / Angelite  
2.98 Brazilianite  
2.98 - 3.01 Grandidierite  
2.98 - 3.02 Magnesite  
2.98 - 3.04 Montebrasite  
2.98 - 3.2 Dravite Tourmaline
2.98 - 3.3 Tourmaline  
2.99 - 3.03 Tremolite / Hexagonite  
3.00 - 3.02 Herderite  
3.0 - 3.3 Edenite  
3.01 - 3.03 Amblygonite  
3.02 Bromellite  
3.02 Liddicoatite Tourmaline
3.03 - 3.04 Inesite  
3.03 - 3.24 Actinolite  
3.05 Olmiite  
3.05 - 3.12 Lawsonite  
3.06 - 3.1 Eosphorite  
3.069 - 3.181 Pargasite  
3.08 - 3.13 Phosphophyllite  
3.1 - 3.2 Spodumene Spodumene