 The olivine group is now more correctly known as the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese, in combination with silicon and oxygen. The...  Highway Construction in Wisconsin - Page 44by Ernest Robertson Buckley - 1903 - 339 pagesFull view - About this book
 | 1898 - 738 pages
...the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese,...combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster is vitreous.... | |
 | Wisconsin Geological and Natural History Survey - 1896 - 728 pages
...the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese,...combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster is vitreous.... | |
 | Ernest Robertson Buckley - 1898 - 722 pages
...the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese,...combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster is vitreous.... | |
 | Ernest Robertson Buckley - 1898 - 752 pages
...the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese,...combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster is vitreous.... | |
 | Wisconsin Geological and Natural History Survey - 1898 - 830 pages
...the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese,...combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster is vitreous.... | |
 | Wisconsin Geological and Natural History Survey - 1898 - 744 pages
...the chrysolite group. The different species differ somewhat in composition, being composed of varying proportions of magnesium, calcium, iron, and manganese,...combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster ia vitreous.... | |
 | Ernest Robertson Buckley - 1898 - 728 pages
...group. The different species differ somewhat in composition, being composed of varying projwrtions of magnesium, calcium, iron, and manganese, in combination with silicon and oxygen. The hardness ranges from 6 to 7. The predominant color is what is commonly known as olive green. The luster is vitreous.... | |
 | Wisconsin Geological and Natural History Survey - 1903 - 608 pages
...of rocks known as "greenstone." Olivine. — This name applies to a group of minerals differing from each other somewhat in composition but being composed...of the more basic igneous rocks such as diabase and gabbro. Hematite. — Hematite is composed of iron and oxygen, the composition being represented by... | |
 | Wisconsin Geological and Natural History Survey - 1903 - 588 pages
...of rocks known as "greenstone." Olivine. — This name applies to a group of minerals differing from each other somewhat in composition but being composed...of the more basic igneous rocks such as diabase and gabbro. Ilcmaitfe. — Hematite is composed of iror> and oxygen, the composition being represented... | |
 | 1903 - 592 pages
...of rocks known as "greenstone." Olivint. — This name applies to a group of minerals differing from each other somewhat in composition but being composed...hardness of these minerals ranges from 6 to 7. Olivine decomposea readily into chlorite, talc and serpentine. It is ordinarily a constituent of the more basic... | |
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