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Rocks and Minerals ➔ Gypsum Crystal

Identifier:

2001.1.13

Description:

Gypsum is a calcium sulfate and is formed when lakes and seas evaporate and leave deposits. Prior to being known as Furniture City, Grand Rapids' first industry was gypsum mining. 

Formula: CaSO₄ · 2H₂O

Current Location Status:

In Storage

Collection Tier:

Tier 2

Source:

Museum Collection

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Exhibit/Program:

Introduction to Collecting A-Z (January 2001 – June 2025)