Digital-Desert : Mojave Desert |
Intro:: Nature:: Map:: Parks:: Points of Interest:: Ghosts & Gold:: Communities:: Roads & Trails:: People & History:: Weather:: :?:: glossary |
Geology: Rocks, Minerals & Ores Mineral Sequence in the Cady Mountains Calcite scalenohedronCaCO3 (triagonal)Cady Mountains, Mojave Desert, CA << - >> Mineral Sequence in the Cady Mountains |
Trigonal (crystal system) The trigonal crystal system is really part of the hexagonal crystal system and only has one minute difference (in that true hexagonal minerals have sixfold symmetry, whereas trigonal minerals have threefold symmetry). The trigonal crystal system, like the hexagonal crystal system, has: four axes, three are equal in length and lie at an angle of 120° from each other. The fourth is either longer or shorter but must be at a right angle toward the other corners. Minerals,net |
Intro:: Nature:: Map:: Parks:: Points of Interest:: Ghosts & Gold:: Communities:: Roads & Trails:: People & History:: Weather:: :?:: glossary |
Country Life Realty Wrightwood, Ca. |
Mountain Hardware Wrightwood, Ca. |
Canyon Cartography |
DesertLink Links to Desert Museums |
Grizzly Cafe Family Dining |
Abraxas Engineering privacy |
These items are historical in scope and are intended for educational purposes only; they are not meant as an aid for travel planning. Copyright ©Walter Feller. 1995-2024 - All rights reserved. |