Ward's® Andesite (Porphyry)

Gray andesite with phenocrysts of felspar and/or hornblende.

• Collected in Oregon

• Multiple sizes and pack options to fit your specific needs
• Cut by Ward's geologists to guarantee top market quality
• Matching thin section available

Student specimens - Perfect for study and identification, these budget-friendly samples come sealed in a plastic bag. Storage box (5×5×4.5"), sold separately.

Hand specimens - Ideal for lectures, demonstrations, and display. Each comes in a labeled plastic tray with a matching labeled storage box.

Bulk pack - Includes 1 kilo of assorted pieces (quantity varies). Assorted pieces are 1.25×1.25 to 2×3". Packaged in a labeled storage box for easy organization.

All specimen dimensions are considered an average size range.