0BABINGTONITE (Calcium Iron Manganese Silicate Hydroxide)
0BAKERITE (Hydrated Calcium Boro-silicate Hydroxide)
0BARATOVITE (Potassium Lithium Calcium Titanium Zirconium Silicate Fluoride)
12BARITE (Barium Sulfate)
0BASALT (the most common igneous rock)
0BASTNASITE (Cerium Lanthanum Yttrium Carbonate Fluoride)
0BAUMHAUERITE (Lead Arsenic Sulfide)
0BAYLDONITE (Hydrated Copper Lead Arsenate Hydroxide)
0BECQUERELITE (Hydrated Calcium Uranyl Oxide Hydroxide)
0BENITOITE (Barium Titanium Silicate)
0BERAUNITE (Hydrated Iron Phosphate Hydroxide)
0BERLINITE (Aluminum Phosphate)
0BERTHIERITE (Iron Antimony Sulfide)
0BERTRANDITE (Beryllium Silicate Hydroxide)
0BERYL (Berylium Aluminum Silicate)
0BERYLLONITE (Sodium Beryllium Phosphate)
0BETAFITE (Calcium Sodium Uranium Titanium Niobium Tantalum Oxide Hydroxide Fluoride)
0BEUDANTITE (Lead Iron Arsenate Sulfate Hydroxide)
0BIDEAUXITE (Lead Silver Chloride Fluoride Hydroxide)
0BIF (Banded Iron Formation aka Taconite)
0BINDHEIMITE (Lead Antimony Oxide)
0BIOTITE (Potassium Iron Magnesium Aluminum Silicate Hydroxide Fluoride)
0BISMUTH (Bi)
0BISMUTHINITE (Bismuth Sulfide)
0BIXBYITE (Manganese Iron Oxide)
0BLODITE (Hydrated Sodium Magnesium Sulfate)
0BLOODSTONE (variety of Chalcedony)
0BOLEITE (Hydrated Lead Copper Silver Chloride Hydroxide)
0BOLTWOODITE (Hydrated Potassium Uranyl Silicate Hydroxide)
0BORACITE (Magnesium Borate Chloride)
0BORAX (Hydrated Sodium Borate)
0BORNITE (Copper Iron Sulfide)
0BOULANGERITE (Lead Antimony Sulfide)
0BOURNONITE (Copper Lead Antimony Sulfide)
0BRANNERITE (Uranium Calcium Titanium Iron Oxide)
0BRASS (Copper Zinc Alloy)
0BRAZILIANITE (Sodium Aluminum Phosphate Hydroxide)
0BRECCIA (a clastic sedimentary rock)
0BROCHANTITE (Copper Sulfate Hydroxide)
0BROOKITE (Titanium Oxide)
0BRUCITE (Magnesium Hydroxide)
0BUERGERITE (Sodium Iron Aluminum Boro-silicate Oxide Fluoride)
0BURBANKITE (Sodium Calcium Strontium Barium Cerium Carbonate)
0BUTTGENBACHITE (Hydrated Copper Nitrate Chloride Hydroxide)
0BYTOWNITE (Calcium Sodium Aluminum Silicate)