Volume 1

Conversations on mineralogy / With plates engraved by Mr. and Miss Lowry, from original drawings.

  • Varley, Delvalle.
Date:
1826
Catalogue details

Licence: Public Domain Mark

Credit: Conversations on mineralogy / With plates engraved by Mr. and Miss Lowry, from original drawings. Source: Wellcome Collection.

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    CONVERSATION III. ] Specific Gravity,—the Method of determining it.—De- scription of the Hydrostatic Balance.— Gold.—Mer- cury. — Lead. — Silver, — Copper. — Nickel. — Iron. — Tin. — Zinc. — Cadmium. — Wodanium. — Iri- dium. — Chrome. — Cobalt. —Antimony.—Arsenic.— Tungsten. — Metallic Acids. —Molybdenum. — Rho- dium.— Osmium.—Manganese. — Tellurium. — Tita- nium-.—Cerium.— Columbium.—Uranium.— Bismuth. —•Comparative Utility of the Metals.—External and Physical Characters of Minerals CONVERSATION IV. External Characters.—Colour.—Form.—Crystalline or regular External Form.—Crystallography.—Primitive Form. — Decrements. — Truncation. —Acumination. —Bevelment CONVERSATION V. Use of the Goniometer.—Common Goniometer.—Re- flective Goniometer. — Explanation. — Irregular ex- ternal Forms of Minerals.—Transparency.—Fracture. —Cleavage. — Lustre. — Hardness. — Frangibility.— Flexibility. — Elasticity. — Adhesiveness. — Smell. — Taste.—Phosphorescence.— Electricity.—Use of the Electrometer.—Magnetism.—Use of the Blowpipe.— Fluxes.—Use of Acids.—Effervescence - CONVERSATION VI. On the Classification of Minerals.—-Tabular View of the Arrangement of the Earthy Class.—Examination of the Quartz Family