Seen such Phenomena. Smoky Quartz Crystal with Bubbles around It inside Clear Quartz Crystal. : r/geology

Quartz

Smoky quartz crystal hi-res stock photography and images - Alamy

Quartz Properties, Varieties, Occurrence and Uses

What is causing this rainbow refraction in this amber? : r/rockhounds

What types of crystals are found in geodes? - Quora

Crystal Library – The Inspired Spirit

Crystal Basics: Types of Quartz Crystals Explained

Quartz, Amethyst, Smoky Quartz with Water Bubble - SM20-223

Quartz group of minerals

Smoky Quartz : Properties, Formation, Distribution » Geology Science

Quartz - Mineral Overview of Properties, Varietes and Occurence

Quartz Properties, Varieties, Occurrence and Uses

Why has this enhydro quartz got black water bubbles? : r/whatsthisrock