70 Results for: "WardsSci000444"

Supplier: Avantor

Pyroxene group; dark green, pure cleaved fragments.

Supplier: Avantor

White, massive, coarse crystalline vein, Mohs’ hardness of 7.

Supplier: Avantor

Cut black mica cleavage sheets.

Supplier: Avantor

Deep purple crystal clusters.

Supplier: Avantor

Shiny crystal clusters and crystalline groups.

Supplier: Avantor

Nearly pure, green crystalline forsterite.

Supplier: Avantor

Fresh Green forsterite, classic “twin sisters” dunite.

Supplier: Avantor

Good grade, bronze-colored ore, massive.

Supplier: Avantor

Crystals and crystal sections up to 1", Mohs’ hardness of 9.

Supplier: Avantor

Dark brown to black; polycrystalline zinc ore.

Supplier: Avantor

Light gray, compact, opaque, microcrystalline.

Supplier: Avantor

Feldspar group; white-to-gray cleavages of sodic plagioclase; some show twinning.

Supplier: Avantor

White, fine, massive, opaque to slightly translucent.

Supplier: Avantor

Feldspar group; calcium end member plagioclase crystals in pyroxene matrix.

Supplier: Avantor

Bright blue crystalline veins and coatings in a matrix of mixed copper ore.

WARD’S offers four different specimen sizes to meet your various needs:

Student Specimens. Ideal for students to use for study and identification. Specimens range in size from 1" x 1" to 1" x 2" and come in packages of ten.

Hand Specimens. Great for lectures, demonstrations, and display. Specimens range in size from 2" x 3" to 3" x 4", and each comes in a labeled plastic tray.

Bulk Pack. Several of the smaller pieces are suitable for classroom study, while the larger specimens in the one kilogram pack can be cut to sizes that meet your specific needs. The number and size of pieces will vary.

Supplier: Avantor

Iron oxide-hydroxide mineral; reddish brown to black color; crystal habit ranges from massive to acicular.

Supplier: Avantor

Pure, white, earthy “China clay”.

Supplier: Avantor

Cleaned, pure, bright, metallic native copper.

Supplier: Avantor

Brown, earthy, massive; used for yellow pigment.

Supplier: Avantor

Amphibole group; dark greenish black cleavages, somewhat columnar.

Supplier: Avantor

Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.

Supplier: Avantor

Bright metallic cubic cleavages; lead ore.

Supplier: Avantor

Chert is a microcrystalline, hard, silica mineral.

Supplier: Avantor

Fluorite is Green Halide mineral with moh's hardness 4.

Supplier: Avantor

Pure, bright yellow, Frasch sulfur.

Supplier: Avantor

Selenite is a Clear gypsum mineral with a moh's hardness of 2.

Supplier: Avantor

Clear, pure cleavages, Mohs’ hardness of 2.

Supplier: Avantor

Spinel group; iron-black, massive; natural magnet.

Supplier: Avantor

Apatite is a gemmy blue phosphate mineral, mohs hardness 5.

Supplier: Avantor

Soapstone is a talc-schist primarily composed of talc.