mineral
Educational Geologic Collection
Mixed Mineral and Rock Collection (Various compositions)
Hardness varies 1-7 (Mohs), diverse colors (red jasper, green aventurine, etc.), luster ranges from vitreous to dull, various crystal systems.
Identified More mineral →
Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness varies 1-7 (Mohs), diverse colors (red jasper, green aventurine, etc.), luster ranges from vitreous to dull, various crystal systems.
Formation & geological history
Global origin; includes igneous (Obsidian, Granite), sedimentary (Sandstone, Coal), and metamorphic (Marble, Gneiss) specimens formed over millions of years.
Uses & applications
Educational sets for earth science learning, rock hounding starters, and decorative lapidary collecting.
Geological facts
This set contains common representative samples like Pyrite (Fool's gold) and Snowflake Obsidian (volcanic glass with cristobalite inclusions).
Field identification & locations
Identifiable by labeled grid; used to teach the rock cycle and mineral identification techniques like streak tests and hardness comparisons.
More like this
Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Metamorphic Rock
![Biotite Schist (Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]) — metamorphic](https://media.rock.id/9ca564b5-bc87-402b-965a-69b21f9aa6bf-thumbnail.jpg)
Biotite Schist
Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]
metamorphic