Part 42

Siliceous earth 123

—— properties of, 124

—— ſpecies of, 125–131

Silver, properties of, 153

—— ſpecies of 154–171

Smaragdus 119

Soaprock 107

Spar 63

—— ponderous 89

Sparry fluor, 30, 96

Stannum (ſee tin)

—— ſulphuratum, (ſee preface)

Stones 251

Stone marrow 116

Succinum 140

Sulphur 133, 134

Talc 122

Tartar of vitriol, 44

Terra Lemnia 116

—— ponderoſa, (ſee preface)

—— —— 87

—— properties of, 87

—— aerata 58

—— native, n. 88

—— nitrata 58

—— ſalita 58

—— vitriolata 58, 89, 90

Terra Silicea 123