| Friedrich Mohs - 1825 - 500 pages
...be ascertained, at least as far as to know the system to which it belongs. Then Hardness and Spedfic Gravity must be tried with proper accuracy, and expressed...characters of the classes, orders, and genera. After this examination, the Characteristic may be applied, and it will at the same time point out what other... | |
| Friedrich Mohs - Mineralogy - 1825 - 528 pages
...ascertained, at least as far as to know the system to which it belongs. Then Hardness and .S'/»v'Jic Gravity must be tried with proper accuracy, and expressed...characters of the classes, orders, and genera. After this examination, the Characteristic may be applied, and it will at the same time point out what other... | |
| Friedrich Mohs - Mineralogy - 1825 - 506 pages
...ascertained, at least as far as to know the system to which it belongs. Then Jlardness and Specific Gravity must be tried with proper accuracy, and expressed...latter to one or two decimals. The specific character requiret these data ; they are also of use in the characters of the classes, orders, and genera. After... | |
| Robert Jameson - Mineralogy - 1837 - 328 pages
...as to know the system to which it belongs. Then hardness and specific gravity must be ascertained, and expressed in numbers. It is sufficient, however,...decimals. The specific character requires these data ; and they are also of use in the characters of the genera, orders, and classes. This being done, the... | |
| John Joseph Griffin - Crystallography - 1841 - 538 pages
...ascertained, at least as far as to know the system to which it belongs. Then ffiirdmss and S/tccific Grarity must be tried with proper accuracy, and expressed...is sufficient however, to know the latter to one or t\vo decimals. The specific character requires these data ; they are also of use in the characters... | |
| |