page_title: List of U.S. state minerals, rocks, stones and gemstones
section_title: Table of minerals, rocks, stones and gemstones
hierarchical_section_title: List of U.S. state minerals, rocks, stones and gemstones / Table of minerals, rocks, stones and gemstones
context_page_description: Leaders of states in the U.S. which have significant mineral deposits often create a state mineral, rock, stone or gemstone to promote interest in their natural resources, history, tourism, etc. Not every state has an official state mineral, rock, stone and/or gemstone, however.
  In the chart below, a year which is listed within parentheses represents the year during which that mineral, rock, stone or gemstone was officially adopted as a state symbol or emblem.
caption: Limestone (from 1979 to present)
exif: {"Image Make": "CASIO COMPUTER CO.,LTD", "Image Model": "EX-Z3", "Image Orientation": "Horizontal (normal)", "Image XResolution": "72", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "1.01", "Image DateTime": "2005:03:06 13:52:57", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "225", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "34114", "Thumbnail JPEGInterchangeFormatLength": "6002", "Thumbnail YCbCrPositioning": "Co-sited", "EXIF ExposureTime": "1/500", "EXIF FNumber": "39/10", "EXIF ExposureProgram": "Program Normal", "EXIF ExifVersion": "0220", "EXIF DateTimeOriginal": "2005:03:06 13:52:57", "EXIF DateTimeDigitized": "2005:03:06 13:52:57", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "273/512", "EXIF ExposureBiasValue": "0", "EXIF MaxApertureValue": "14/5", "EXIF MeteringMode": "Pattern", "EXIF LightSource": "Unknown", "EXIF Flash": "Flash did not fire, auto mode", "EXIF FocalLength": "61/5", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "600", "EXIF ExifImageLength": "600", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "33973", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF DigitalZoomRatio": "0/0", "EXIF FocalLengthIn35mmFilm": "74", "EXIF SceneCaptureType": "Standard", "EXIF GainControl": "None", "EXIF Contrast": "Normal", "EXIF Saturation": "Normal", "EXIF Sharpness": "Normal"}