灰色粘土夹硫与石膏

Grey Clay Embeded with Sulfur and...

硫磺

Sulphur

自然硫矿石

Native Sulphur Ore

黄铁矿矿石

Pyrite Ore

黄铁矿矿石

Pyrite Ore

黄铁矿矿石

Pyrite Ore

黄铁矿矿石

Pyrite Ore

芒硝

Mirabilite

钙芒硝岩

Glauberite Rock

重晶石

Barite

钾矿石

Potassium Ore

岩盐钙芒硝岩

Rock Salt Glauberite Rock

雄黄与方解石晶体

Realgar and Calcite Crystal

雌黄晶簇

Orpiment Cluster

毒砂晶簇

Arsenopyrite Cluster

砷矿石

Arsenic Ore

浸染状雄黄雌黄

Disseminated Realgar Orpiment

块状硼矿石

Massive Boron Ore

条带状硼镁铁矿矿石

Banded Ludwigite Ore

硼镁石矿石

Szaibelyite Ore

致密状硼镁石矿石

Compact Ludwigite Ore

磷矿石

Phosphorus Ore

磷矿石

Phosphorus Ore

砾状磷块岩

Rudaceous Phosphorite

磷灰石矿石

Apatite Ore