Collection
High-silica waters
55 waters at 25 mg/L silica or more. The beauty-mineral shelf, ranked by SiO₂.
Silica, dissolved out of volcanic rock, is the beauty mineral behind the Fiji and Volvic pitch, marketed for skin, hair and connective tissue with little proven effect on taste. There is no regulatory line for it, so ours is a house cut at 25 mg/L, set deliberately below Volvic's 31.7 so a routine data revision cannot flip its classification.
One honesty note. Silica is the least-published mineral on labels, so a water missing from this list may simply not publish a number. We never guess; unsourced silica stays unranked rather than invented.
| # | Water | SiO₂ | TDS |
|---|---|---|---|
| 1 | Nürburg Quelle Germany · sparkling | 120 mg/L | 3189 |
| 2 | Bjni Armenia · sparkling | 115.4 mg/L | 5700 |
| 3 | Gaudianello Italy · sparkling | 110 mg/L | 1183 |
| 4 | Rozana France · sparkling | 97 mg/L | 3022 |
| 5 | Fiji Fiji | 96 mg/L | 230 |
| 6 | Cutolo Rionero Italy · sparkling | 93.9 mg/L | 517 |
| 7 | Fonte Vivia Italy · sparkling | 93.6 mg/L | 566 |
| 8 | Acqua di Nepi Italy · sparkling | 92.9 mg/L | 526 |
| 9 | Souroti Greece · sparkling | 92 mg/L | 1100 |
| 10 | Egeria Italy · sparkling | 89 mg/L | 646 |
| 11 | Ferrarelle Italy · sparkling | 85 mg/L | 1300 |
| 12 | Acqua Claudia Italy · sparkling | 81.8 mg/L | 656 |
| 13 | Arvie France · sparkling | 77 mg/L | 2520 |
| 14 | Jermuk Armenia · sparkling | 73 mg/L | 3620 |
| 15 | Antipodes New Zealand | 73 mg/L | 130 |
| 16 | Daylesford & Hepburn Australia · sparkling | 70 mg/L | 1097 |
| 17 | Agua de Fuensanta Spain | 67 mg/L | 265 |
| 18 | Preblauer Austria · sparkling | 67 mg/L | 3336 |
| 19 | Bambito Panama | 65 mg/L | 170 |
| 20 | Kızılay Maden Suyu Turkey · sparkling | 63.4 mg/L | 3480 |
| 21 | Radenska Kraljevi vrelec Slovenia · sparkling | 62 mg/L | 3000 |
| 22 | Healsi Portugal | 61 mg/L | 183 |
| 23 | Gloria Patri Portugal | 57 mg/L | 210 |
| 24 | Magma de Cabreiroá Spain · sparkling | 56.9 mg/L | 1600 |
| 25 | Mattoni Czech Republic · sparkling | 55.9 mg/L | 962 |
| 26 | Nabeghlavi Georgia · sparkling | 55.8 mg/L | 4700 |
| 27 | Rhäzünser Switzerland · sparkling | 55.1 mg/L | 1830 |
| 28 | La Salvetat France · sparkling | 55 mg/L | 560 |
| 29 | Bílinská kyselka Czech Republic · sparkling | 52.1 mg/L | 7357 |
| 30 | Sorgente Tione Italy | 52 mg/L | 180 |
| 31 | Arzni Armenia · sparkling | 52 mg/L | 1900 |
| 32 | Kryniczanka Poland · sparkling | 50 mg/L | 2207.68 |
| 33 | Aura Thailand | 49 mg/L | 242 |
| 34 | Beypazarı Turkey · sparkling | 48.2 mg/L | 3323 |
| 35 | Kondrauer Germany | 47 mg/L | 616 |
| 36 | Slavyanovskaya Russia · sparkling | 46 mg/L | 3500 |
| 37 | Knjaz Miloš Serbia · sparkling | 45 mg/L | 1063 |
| 38 | Sandalia Italy | 42.7 mg/L | 1463.2 |
| 39 | Gerolsteiner Germany · sparkling | 40.2 mg/L | 2500 |
| 40 | Teinacher Classic Germany · sparkling | 34.9 mg/L | 563 |
| 41 | Bad Brambacher Germany · sparkling | 34.5 mg/L | 147 |
| 42 | Uludağ Premium Turkey · sparkling | 34 mg/L | 1952 |
| 43 | Fiuggi Italy | 33 mg/L | 142 |
| 44 | Acqua Santa di Chianciano Italy | 32.7 mg/L | 3433 |
| 45 | Volvic France | 31.7 mg/L | 109 |
| 46 | Steinsieker Germany · sparkling | 31.5 mg/L | 2381 |
| 47 | Muszyna Skarb Życia Poland · sparkling | 30 mg/L | 1560 |
| 48 | Vidago Portugal · sparkling | 29 mg/L | 2816 |
| 49 | Saint-Géron France · sparkling | 28 mg/L | 1158 |
| 50 | b'ui Mexico | 28 mg/L | 920 |
| 51 | Sangemini Italy · sparkling | 27.6 mg/L | 910 |
| 52 | Asem-Ai Saryagash Kazakhstan | 27 mg/L | 800 |
| 53 | Cristaline France | 26 mg/L | 455 |
| 54 | Adldorfer Naturell Germany | 25.3 mg/L | 550 |
| 55 | Neptūnas Lithuania | 25.2 mg/L | 136 |