The following information was excerpted from the New Hampshire Statutes, Title 1, Chapter 2, Section 3:13.
TITLE I THE STATE AND ITS GOVERNMENT
CHAPTER 3 STATE EMBLEMS, FLAG, ETC.
3:13 State Rock. - Granite is hereby designated as the official state rock of New Hampshire.
Source. 1985, 11:1, eff. May 31, 1985.
New Hampshire Statutes. New Hampshire General Court. 2009. 17 April 2009 <http://www.gencourt.state.nh.us/rsa/html/nhtoc.htm>
Shearer, Benjamin F. and Barbara S. State Names, Seals, Flags and Symbols: A Historical Guide Third Edition, Revised and Expanded. Westport, Conn: Greenwood Press, 3 Sub edition, 2001.
Granite Rocks: Granite: Igneous Rock - pictures, definition & more from Geology.com.
Granite: United States Geological Survey.
State Rocks: Complete list of official state rocks.
More symbols & emblems: Complete list of official New Hampshire state symbols.
Eyewitness Books: Rocks & Minerals, by Chris Pellant, R.F. Symes 72 pages. DK CHILDREN (August 2, 2004) Reading level: Ages 9-12. Here is a spectacular and informative guide to the amazing world beneath our feet. Stunning color photographs of rocks, fossils, minerals, precious metals, crystals, jewels and gemstones give the reader a unique "eyewitness" insight into the evolution and composition of the Earth. See rocks that have come from outer space, stalactites as old as dinosaurs, the strange and beautiful shapes of natural crystals and priceless nuggets of gold, silver and platinum. Learn what the Earth is made of - and how its rocks were formed, how early humans made the first flint tools and how diamonds and precious stones are cut, polished, and made into jewelry. Discover how prehistoric animals are preserved today as fossils, how volcanoes work, how rocks are formed from molten lava, how minerals and metals are mined and how pebbles on the seashore are worn down into sand, and much, much more!
Eyewitness Workbooks: Rocks & Minerals, 48 pages. DK CHILDREN; Workbook edition (June 16, 2008) Reading level: Ages 9-12. Perfect for getting ahead at school or just stimulating children's interest, this groundbreaking series of workbooks leaves the competition in the dust, with exciting subjects, 48 full-color pages, a turn-and-learn info wheel, and special carrying folders. Never before have there been workbooks with so many opportunities for fun and interactive learning!
Peterson First Guides: Rocks and Minerals, by Frederick H. Pough. 128 pages. Houghton Mifflin Harcourt (August 15, 1998) Written and designed for the beginner, this book describes and illustrates the most common and interesting rocks and minerals, from simple sandstone to exotic gems. Illustrated with dozens of beautiful color photographs, it tells how these rocks and minerals formed and how to identify them--and includes tips on collecting.
Rocks & Minerals, by Dougal Dixon. 160 pages. Fireside (August 15, 1992) Beginning with a history of the earth's formation and development, this book explores the substances that compose the planet, movements within the earth, the surface effects of weather and water, and underground landscapes. It shows you how to search for, identify, and extract samples of various rocks and minerals, and for each rock and mineral type there is a brief mineralogy and explanation of its locations. There are also sections on mapping, preparing, and curating specimens, and geological sites on the six continents. Packed with more than 200 full-color illustrations, this comprehensive guide is the essential practical companion for natural science enthusiasts everywhere.
Smithsonian Handbooks: Rocks and Minerals, by Chris Pellant. 256 pages. DK ADULT; 1st edition (September 1, 2002) The Smithsonian Handbook of Rocks and Minerals combines 600 vivid full--color photos with descriptions of more than 500 specimens. This authoritative and systematic photographic approach, with words never separated from pictures, marks a new generation of identification guides. Each entry combines a precise description with annotated photographs to highlight the chief characteristics of the rock or mineral and distinguishing features.
Field Guide to North American Rocks and Minerals, National Audubon Society. 856 pages. Knopf; 1st Edition (5th Printing) edition (May 12, 1979) Perfect for mountain climbers and hikers, this valuable reference covers more rocks and rocks in North America than any other available guide. 794 full-color photographs depict all the important rocks, gems, and rocks -- in many variations of color and crystal form -- and the natural environments in which they occur; written descriptions provide information on field marks, similar rocks and rocks, environment, areas of occurrence, and derivation of names. Includes a guide to rock collecting and a list of rock-forming rocks