Rocks,Gems,& Minerals Stereograms (An introduction to geology using color stereo photographs)

Description

(An introduction to geology using color stereo photographs)

• Rocks, minerals, and gems stereogram book for geological study
• Matched pairs of stereo rock, mineral, and gem specimen photos for detailed examination
• Photos of lunar rocks and six crystal systems for additional information
• Can be read with stereoscopic glasses for three-dimensional effect (sold separately)
• Suitable for grades 6 to 12 and ages 11 to 18

• Create the illusion of 3-D, when used in conjunction with stereo pictures or aerial photos.

• INCLUDES  STEREO GLASSES.  THIS ITEM WILL BE DISCONTINUED AFTER SOLD.