"serv Dial Sud & sars"

This economic collectors set features 12 different genuine meteorites and impactities.

With no metal corners or panels, these plate glass aquaria allow students to carefully observe aquatic life from all angles.

Sharp, clear to white, single-terminated, tetragonal, ³/₄–1 ¹/₂". India.

Polished, etched iron meteorite slice showing Widmanstatten structure, 1–1 1/2".

This coloful mix of naturally colored polished stones are available in a variety of tumbled sizes. 1 lb. package.

Identify all six crystal systems (cubic, tetragonal, orthorhombic, monoclinic, triclinic and hexagonal) with the 15 representative specimens of natural crystals included in this collection. In compartmented box with key sheet listing the locality and crystal form of each specimen.

Add the Color of Fluorescence to Your Studies

Demonstrate the vivid contrasting colors of fifteen specimens when illuminated under shortwave ultraviolet light. Some specimens are also long wave reactive. Specimen average size: 1" x 1". Comes in compartmented box with key sheet.

Observe and compare gem minerals

Spectacular polished and pyritized ammonite shell showing hollow chamber cross-sections; fine display quality. Average size: 2". Russia.

Compare morphology among species.

Accompanying Diagrams Detail Growth Rings

Learn Plant Morphology by Studying Stem Morphology

Riker mount of commerical grains for display.

Often mistaken for beetles, these wingless crustaceans live their whole lives on land, feeding on decaying organic matter.

Riker mount of egg replicas for display.