Massive white peisleyite finely intergrown on a μm scale with fluorwavellite. SEM shows that ‘massive peisleyite’ consists of zones of intergrown peisleyite crystals (<3 μm in size) forming mats intermixed with zones of massive ‘wavellite’ (now considered fluorwavellite) with no distinct crystal faces. Ex Jo Price Collection. Width of view 17.25mm. Stack of 50 images.
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