page_title: List of U.S. state minerals, rocks, stones and gemstones
section_title: State by state listing
hierarchical_section_title: List of U.S. state minerals, rocks, stones and gemstones / State by state listing
caption_attribution_description: Sillimanite made in Sri Lanka. taken by Azuncha.
context_page_description: Some American states have made a state mineral, rock, stone or gemstone Not every state has an official state mineral, rock, stone and/or gemstone, however.
  In the chart below the year in parentheses are the year when that mineral, rock, stone or gemstone was officially made a State symbol or emblem.
caption: Sillimanite
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