Abandonment of Mines	217

Abertham

Mines at	74; 92; 74

Abolite	113

Abstrich	465; 492

Abydos.

Gold mines of	26; 27

Lead figure from	390

Abfug	464; 465; 475

Achates (see AGATE).

Accidents to Miners	214—216

Accounts (Mining)	96—98

Adit	101

Aeris flos (see Copper Flowers).

Aeris squama (see Copper Scales).

Aes caldarium	109

Aes luteum	109

Aes nigrum	109

Aes purum fossile (see Native Copper).

Aes rude plumbei coloris (see Copper Glance).

Aes ustum (see Roasted Copper).

Aetites	2

Africa.

Iron	420

Tin	412

Agate	114

agriculture.

Mining compared with	5

Ailments of Miners (see Maladies of Miners).

Air Currents in Mines	121; 200

Alabaster	114

Alchemists	xxvii—xxx;44; 608

Agricola's opinion of	xii; xxvii.

Amalgamation	297

Assaying	248; 219

Discovery of acids	439; 460

Distillation	441

Aljustrel Tablet	83—84

Alkali	558

Alloys. Assaying of	247—252

Alluvial Mining	321—348; 330—332

Alston Moor	84

Altenberg	xxxi; vi.

Collapse of mine	218

Miners poisoned	214

Tin working appliances	290; 304; 318

Alum	564—568; 564—570

A solidified juice	1

Elizabethan Charter	283

In roasted pyrites	350

In Sal artificiosus	483

Latin and German terms	220; 221

Papal monopoly	570

Use in making nitric acid	439; 460

Amalgam.

Parting the gold from	298; 297

Amalgamation	297

Of gilt objects	461

Mills	295—299

Amber	34; 35

Amethyst	114

Amiantus (see Asbestos).

Ampulla	445—447; 220

Annaberg	vi; xxi; 42; 75; 75

Profits	92

Ant, Venomous	216

Antimony	220; 428; 354

Minerals	110

Smelting of	400; 428

Use as type-metal	2; 429

Antimony Sulphide	220; 428; 451

Parting gold and silver with	451 ; 451 ; 461

Parting gold from copper	463

Parting silver and iron	544

Antwerp, Scale Of Weights	263

Apex Law	81; 83—86

Aqua regia	439; 441; 354

Aqua valens (see also Nitric Acid)	439—443; 439; 220

Clarification with silver	443 ; 443

Cleansing gold-dust with	396

Parting precious metals with	443—447

Arbores dissectae (Lagging)	101

ARCHIMEDES, SCREW OF	149

ARCHITECTURE.

Knowledge necessary for miners	4

Area fodinarum (see Meer).

ARGENTIFEROUS COPPER ORES,

SMELTING OF	404—407

ARGENTITE	109

Argenlum purum in venis (see Native Silver).

Argenlum rude plumbei coloris (see Silver Glance).

Argentum rude rubrum translucidum (see Ruby Silver).

ARGOL	234; 220

As a flux	234; 238; 243

Use in melting silver nitrate	447

Use in smelting gold dust	396—398

ARGONAUTS	330

ARITHMETICAL SCIENCE.

Knowledge necessary for miners	4

ARMENIA, STONE OF	115

ARSENIC (see also Orpiment and Realgar)	111; 214

Arsenicum	111

ARSENOPYRITE	111

ASBESTOS	440; 440; 114

ASH-COLOURED COPPER	539—540; 540; 523; 524; 492

From liquation	529—530

ASHES WHICH WOOL DYERS USE (see also Potash)	233; 559; 220

Use in assaying	236—238

ASH OF LEAD	237—238; 237; 220

ASH OF MUSK IVY (see also Potash and Nitrum)	236—238; 220

ASPHALT	581

Asphaltites (see Dead Sea).

ASSAY BALANCES (see Balances).

ASSAY FLUXES (see Fluxes).

ASSAY FURNACES	224—228; 220

Crucible	226—227

Muffle	224—228; 239

ASSAYING (see also Probierbuchlein)	219; 219; 220; 351

Amalgamation	243

Bismuth	247

Copper	244

Cupellation	240

Gold and silver alloys	248

Gold ore	242—244

Iron ore	247

Lead	245—246

Silver	242—245

Silver and copper alloys	249—250

Tin	246

Tin and silver alloys	251

ASSAY MUFFLES (see Muffles).

ASSAY TON	261; 242

ASSYRIAN COPPER

ASTHMA	214

ASTRONOMY.

Knowledge necessary for miners	4

ATARNEA.

Mines near	26; 27

ATHENS.

Mining law

Sea power and mines	27

​

Athens.

Silver mines (see Mt. Laurion, Mines of).

Atramentum Sutorium (see also Vitriol)	572; 110

Atramentum Sutorium candidum	113

Atramentum Sutorium rubrum	274; 274

Aurichalcum	409; 404

Auripigmentum (see Orpiment).

Azure	1; 109; 220

An indication of copper	116

An indication of gold	117

Colour of flame	235

Azurite	109; 220; 402