#gemystique Examining a blue tourmaline this week and looking at some well-known tourmaline inclusions. Let’s dive a little deeper into them one by one. 1. Growth and Color Zoning – Is a feature that is commonly associated with tourmaline. From striped zones of different colors to angular-hexagonal growth and color zones, they may vary in […]
Monthly Archives: November 2021
#gemystique Topaz Inclusions: Part 3 Multiple secondary fluid inclusions that form during fracture healing or cleavage are usually found along the basal cleavage planes and even on undulating fractures in Topaz. These syngenetic healed/partially healed fissures can be both dry and may also contain fluid syngenetic phases. Photomicrographs posted here demonstrate how these breaks and […]
#gemystique Topaz Inclusions: Part 2 Continuing from last week, examining some more Topaz inclusions. Specifically, multiphase fluid inclusions. What we see here is actually a combination of two types of fluid inclusions. Firstly, the primary fluid inclusions, which formed simultaneously during the growth of the host Topaz. These are found on the prism faces parallel […]
#gemystique Topaz Inclusions: Part 1 Examining Topaz inclusions in a multipart series of posts. First picture displays a trademark Topaz feature. Considered as one of the most important internal features of Topaz, these are both beautiful to examine and very interesting in terms of their formation. “In congruence with the hydrothermal growth-environment it is truly […]
#gemystique Examining a very interesting combination of inclusions in Citrine this week. What we see here are hematite needles with multi-spine hematite inclusions on top of these needles. Both hematite needles and multi-spine hematite inclusions can also be found separately in Amethyst and Citrine. Photomicrographs are taken under varying illumination environments and they appear very […]