Mineralogical

Granite

Granite (phaneitic intrusive igneous rock)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Diorite

Diorite (Intermediate intrusive igneous rock)

Granite Gneiss

Felsic Gneiss (composed of Quartz, Feldspar, and Biotite)

Quartz-rich breccia or vein quartz with iron staining

Microcrystalline to crystalline SiO₂, likely quartz with iron oxides/hydroxides and altered host rock

Mixed River Pebbles

Clastic Sedimentary Alluvial Deposit / Polymictic Conglomerate Clasts

Schist (likely Mica Schist)

Mica Schist

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Granite Cobble

Plutonic Granite

Flint or chert flake

Microcrystalline quartz (SiO₂), commonly chert/flint

Eclogite

Eclogite (Omphacite + Almandine-Pyrope Garnet)

Green-and-gold apatite-bearing rock, possibly epidote skarn

Apatite-group mineral, commonly fluorapatite (Ca₅(PO₄)₃F), with probable epidote and quartz; exact identification requires testing

Tumbled lepidolite-rich pegmatite (probable)

Lepidolite, K(Li,Al)3(Si,Al)4O10(F,OH)2, in a granitic pegmatite matrix

Osumilite in Granite Matrix

(K,Na)(Fe,Mg)2(Al,Fe)3(Si,Al)12O30

Serpentinite (probable)

Serpentinite, dominated by serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with dark magnetite or chromite and pale carbonate/talc possible

Dragon Blood Jasper

Quartz (SiO2) with Epidote and Piedmontite inclusions

Granite Pegmatite

Granitic Pegmatite (composition: SiO2 with KAlSi3O8)

Painted Garden Rock

Coated Siltstone or Mudstone

Granite

Granite (Plutonic Igneous Rock)

Granite

Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

Granite

Phaneritic plutonic rock (approx. 20-60% quartz, 35-90% feldspar)

Pink Granite

Potassium Feldspar-Rich Granite

Granite

Granite (Alkali-feldspar, Quartz, and Plagioclase composition)

Greenstone (Metabalt)

Chlorite-actinolite schist (Greenstone)

Chert or flint nodule

Microcrystalline quartz (SiO₂), commonly chalcedony with possible opaline silica

Sandstone

Clastic sedimentary rock (primarily SiO2)

Eclogite

Eclogite (Omphacite-Garnet rock)

Granite

Phaneritic Felsic Igneous Rock

Granite

Phaneritic Felsic Igneous Rock

Granite

Phaneritic Felsic Igneous Rock

Tumbled sodalite (probable)

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂; possibly blue-dyed jasper or lapis lazuli

Quartz Pebble

Silicon Dioxide (SiO2)

Tumbled Slate or Basalt Pebble

Metamorphic fine-grained rock / Slate or Phyllite

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Greenstone / River Jadeite pebble

Metavolcanic rock / Chlorite or Actinolite-rich schist

Cat's Eye Moonstone (Feldspar)

Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8) inclusions

Graphite-bearing quartz-mica schist

Graphite-rich quartz–mica schist; primarily quartz (SiO₂), muscovite/biotite, and graphite (C)

Blue glass-like tumbled specimen

Most likely cobalt-blue slag glass or manufactured glass; not confidently identifiable as a natural mineral from the image

Unakite (likely)

Epidote–pink feldspar–quartz rock; commonly termed unakite

Dragon Blood Jasper

Microcrystalline Quartz (Chalcedony) with Epidote and Piemontite

Snowflake Obsidian

Volcanic Glass with Cristobalite inclusions