Vivianite Amber Insect I have photographed the crystals

I have photographed the crystals under the microscope to show that they are truly terminated crystals and not just a mass

simply put

even in toenail/small miniature sized crystals like this one

black cyclic twinned crystals which are associated with Quartz on matrix

Vivianite Amber Insect I have photographed the crystalsHere is a great old locality specimen of Vivianite from the Siglo XX mine in Bolivia. Subscribers to the Mineralogical Record know that an entire issue was dedicated to this unique and historic locality. This small cabinet size piece features a few beautiful, relatively sharp, gemmy, blue green color, prismatic crystals of Vivianite (some are actually doubly terminated!) associated with botryoidal Wavellite which is coated replaced by Limonite. This