Overview

marcasite


Show Summary Details

Quick Reference

Mineral, FeS2; sp. gr. 4.8–4.9; hardness 6.0–6.5; orthorhombic; pale bronze-yellow; greyish-black streak; metallic lustre; crystals tabular and spear-like, but it is also massive, stalactitic, and radiating; cleavage {101}; occurs in low-temperature mineral veins together with zinc and lead ores, and in sedimentary rocks, especially limestone, chalk, and clay. It has been used in the production of sulphuric acid. Compare pyrite.

Subjects: Earth Sciences and Geography.


Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.