locality for the minerals deerite howieite and zussmanite Agrell et al 1965 Situated 8 km south of Laytonville Mendocino County California the exotic block
Click Here for Larger Deerite Image in a New Browser Window Images Comments Black bladed deerite crystals embedded in quartz and fibrous riebeckite
The Mn analogue is known as 39 UM1987 19 SiO FeHMgMnTi 39
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