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" A^tSbSt(or 3AgtS+SbtSl) = sulphur 17. 7$, antimony 22.5$, silver 59.8$. BB on charcoal, fuses with spurting to a globule, gives off antimonous fumes, and coats the coal white; with soda on charcoal, in the OF, or by prolonged heating without fluxes in... "
A Textbook on Metallurgy of Gold, Silver, Copper, Lead, and Zinc - Σελίδα 55
των International Correspondence Schools - 1902
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The System of Mineralogy: Descriptive Mineralogy

James Dwight Dana - 1868 - 884 σελίδες
...7. " (1)18-69 51-40 28-82 0-91=99 -82 Schneider. 8. " 18-21 4] -53 36-91 3-13=99-78 Hilger. Pyr. — In the open tube gives sulphurous fumes and a white sublimate of sulphate of bismuth. BB on charcoal fuses easily, at first throws out sparks, and coats the coal with...

A System of Mineralogy: Descriptive Mineralogy, Comprising the Most Recent ...

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...flrat gives a red sublimate of sulphid of arsenic, then a black lustrous sublimate of metallic arsenic. In the open tube gives sulphurous fumes and a white sublimate of arsenous acid. BB on charcoal reacts like leucopyrite. The varieties containing cobalt give a blue...

A Text-book of Mineralogy: With an Extended Treatise on Crystallography and ...

Edward Salisbury Dana, James Dwight Dana - 1877 - 562 σελίδες
...first gives a red sublimate of arsenic sulphide, then a black lustrous sublimate of metallic arsenic. In the open tube. gives sulphurous fumes and a white sublimate of arsenous oxide. BB on charcoal gives the odor of arsenic. The varieties containing cobalt give a blue...

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James Dwight Dana, George Jarvis Brush - 1877 - 994 σελίδες
..." (i) 18-69 5Г40 2f-82 0-91=99-8 •> Schneider. 8 " 18-21 41-5:i 36-91 a-I3=99-78 HUger. Pyr. — In the open tube gives sulphurous fumes and a white sublimate of sulphate of bismuth. II.B. on charcoal fuses easily, at first throws out sparks, and coats the coal...

An Introduction to the Study of Mineralogy for Australian Readers

Ferdinand M. Krausé - 1896 - 372 σελίδες
...sublimate of sulphide of arsenic, which is dark red brown to black while hot, and orange red when cold. In the open tube gives sulphurous fumes and a white sublimate of arsenous acid. Soluble in KHO. Loc. Accompanies sulphides and arsenides of silver and other metals....

Descriptive astronomy, elementary chemistry, blowpiping, mineralogy, geology

International Correspondence Schools - 1899 - 578 σελίδες
...Hardness, 2 — 2.5; specific gravity, 5.8. Composition: A^tSbSt(or 3AgtS+SbtSl) = sulphur 17. 7$, antimony 22.5$, silver 59.8$. BB on charcoal, fuses...dark-red color, its streak, and its high gravity. 77. Proustite. — Proustite, or light ruby silver, is of practically the same composition as pyrargyrite,...

A Treatise on Prospecting: Blowpiping, Mineralogy, Assaying, Geology ...

1899 - 696 σελίδες
...gravity, 5.8. Composition : AgtSbS, (or 3Ag,S-\-Sl>tSt) = sulphur 17. If, antimony 22.5$, silver 50. 8^. BB on charcoal, fuses with spurting to a globule,...dark-red color, its streak, and its high gravity. 77. Proustite.— Proustite, or light ruby silver, is of practically the same composition as pyrargyrite,...

Blowpiping, Mineralogy, Assaying, Geology, Prospecting, Placer and Hydraulic ...

1903 - 658 σελίδες
...Hardness, 2 — 2.5; specific gravity, 5.3. Composition: AgtSbSt(or %AgtS-\- SbtSt) = sulphur 17. 7$, antimony 22.5$, silver 59.8$. BB on charcoal, fuses...dark-red color, its streak, and its high gravity. 77. Proustite. — Proustite, or light ruby silver, is of practically the same composition as pyrargyrite,...

Elements of Mineralogy, Τόμος 2

Frank Rutley - 1916 - 428 σελίδες
...; translucenc to opaque. Fract. — Conchoidal. H.— 2-2-5. Sp. Gr.— 5-7-5-9. Tests. — Heated in the open tube, gives sulphurous fumes and a white sublimate of antimony oxide. On charcoal spirts and fuses easily to a globule of silver sulphide, and coats the...




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