Strontianite and Calcite on Matrix | 215 grams | Mandata, Pennsylvania, USA | SO24 Murchison in the Kola Peninsula

in the Kola Peninsula

Product Name: Tourmaline Crystal

Grafton County

5 gram Impact Vesicular Breccia also referred to as Suevite coming from the famous Rochechouart impact structure in South Western France

Strontianite and Calcite on Matrix | 215 grams | Mandata, Pennsylvania, USA | SO24 Murchison in the Kola PeninsulaThis is a specimen of Strontianite and calcite crystals on matrix from Mandata, Pennsylvania. Strontianite is a rare mineral made mostly of strontium carbonate and is an important source of the metal strontium. It usually forms in hydrothermal veins and limestone deposits, often found alongside minerals like calcite and fluorite. Strontianite can appear in different colors, including white, gray, yellow, green, or brown, and has a glassy or slightly