Rocks & Minerals

Schist (Mica) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Calcite (Rhombohedral Cleavage Pieces) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Gypsum (Selenite) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Halite (Pure, Massive) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Hematite (Red, Massive) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Magnetite (Pure, Massive, Magnetism Varies) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Pyrite (Massive) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Quartz (Massive, Milky) – 1-kg Pkg.

Nasco packages its bulk Rock and Mineral Specimens in both 1-kg packages and packages of ten 3 cm x 4 cm specimens. This enables you to order specimens by weight for large projects or in presized specimens ready for lab and students identification. ... More.

Fluorescent Minerals Collection – Long and Shortwave

This study unit illustrates the response of certain minerals to ultraviolet radiation. Contains some minerals which only respond to shortwave radiation, others which only respond to long-wave radiation, and some respond to both, but with differing d... More.

Long Wave Ultraviolet Lamp

Single, 4 watt BL (black light) tube with 7.6 x 5.1 cm (3" x 2") ultraviolet transmitting filter for greater fluorescent contrast. Produces typical peak 365 nm intensity of 555 microwatts per cm2 at 15 cm (6") distance. Size: 3-1/4" ... More.