| 0 | WALPURGITE (Hydrated Bismuth Uranyl Arsenate Oxide) |
| 0 | WARDITE (Hydrated Sodium Aluminum Phosphate Hydroxide) |
| Sale! 1 | WAVELLITE (Hydrated Aluminum Phosphate Hydroxide) |
| 0 | WELOGANITE (Hydrated Sodium Strontium Calcium Zirconium Carbonate) |
| 0 | WERNERITE (properly called Scapolite, Sodium Calcium Aluminum Silicate Chloride Carbonate Sulfate) |
| 0 | WHEWELLITE (Hydrated Calcium Oxalate) |
| 0 | WHITEITE (Hydrated Calcium Iron Manganese Magnesium Aluminum Phosphate) |
| Sale! 1 | WHITLOCKITE (Calcium Magnesium Iron Phosphate Hydroxide) |
| 0 | WILLEMITE (Zinc Silicate) |
| 0 | WITHERITE (Barium Carbonate) |
| Sale! 1 | WOLFEITE (Iron Manganese Phosphate Hydroxide) |
| 0 | WOLFRAMITE (Manganese Iron Tungstate) |
| 0 | WOLLASTONITE (Calcium Silicate) |
| 0 | WOODHOUSEITE (Calcium Aluminum Phosphate Sulfate Hydroxide) |
| Sale! 2 | WULFENITE (Lead Molybdenate) |
| 0 | WURTZITE (Zinc Iron Sulfide) |