Sedimentary Rock (Altered)

Pale greenish stone, likely serpentine or altered ultramafic rock

Serpentinite (主要 minerals: antigorite/lizardite, Mg3Si2O5(OH)4); identification is tentative from the image

Greenstone / Greenschist

Greenschist (composed of Chlorite, Epidote, Actinolite)

Unakite

Altered Granite (Epidote-bearing Granitic Rock)

Polished jasper pebble

Microcrystalline quartz (SiO₂), commonly iron-stained jasper/chert

Epidotite (Unakite-related Epidote)

Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

Weathered granite or granitic gneiss

Granite; chiefly quartz, feldspar, and mica

Serpentine / Serpentinite (with Weathering Crust)

Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Leopard jasper (orbicular jasper)

Silicified volcanic rock, chiefly microcrystalline quartz/chalcedony (SiO₂) with feldspar and iron-oxide inclusions

Jasper and Quartz Pebble

Silicon Dioxide (SiO2) microcrystalline quartz variety

Conical fossil shell or shell fragment

Likely a gastropod shell fragment; exact taxon indeterminate from the image

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Weathered pegmatitic granite or feldspar-rich metamorphic rock

Quartz–feldspar rock, likely granitic pegmatite; exact identification requires testing

Greenstone / altered basalt fragment

Likely chlorite–epidote–actinolite altered basalt; exact identification requires testing

Lapis Lazuli

Complex rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Likely greenstone (serpentinized ultramafic rock)

Serpentinite, dominated by serpentine-group minerals (chrysotile/lizardite/antigorite), possibly with chlorite or epidote

Red Jasper

Jasper (a variety of Chalcedony, SiO₂)

Epidosite with Quartz (Unakite-variant or Jasper)

Epidotized Metasomatite

Weathered greenstone (likely serpentinite or altered basalt)

Serpentinite-group rock, commonly dominated by serpentine minerals (antigorite/lizardite); exact identification requires testing

Dark gray fine-grained stone, likely basalt or andesite

Basalt–andesite volcanic rock; commonly composed of plagioclase, pyroxene, and possibly olivine or magnetite

Porphyritic basalt or andesite

Porphyritic volcanic rock; typically plagioclase phenocrysts in a fine mafic/intermediate groundmass

Rounded volcanic pebble

Likely basaltic-andesite or altered basalt; exact identification requires testing

Unakite

Unakite (metamorphosed granite)

Serpentine

Antigorite, Lizardite, or Chrysotile; (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Unakite

Altered Granite (Epidotized Granite)

Green Opal (Prase Opal)

SiO2 · nH2O (Hydrated Silicon Dioxide)

Lapis Lazuli

Lazurite-rich metamorphic rock

Greenstone (Epidosite/Altered Diorite)

Metabasalt or Meta-andesite / Epidotized Diorite

Weathered porphyritic volcanic rock (likely andesite or basalt)

Aphanitic to porphyritic andesite–basalt; composition commonly plagioclase, pyroxene, and minor iron oxides

Greenstone (Chert)

Microcrystalline Silica (SiO2) with chlorite/epidote inclusions

Red-and-green jasper

Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides and possibly chlorite/epidote

Blue Tiger's Eye

Crocidolite in Quartz (altered)

Tiger's Eye

Silicon Dioxide with Crocidolite (SiO2)

Unakite

Altered Granite (Epidotized Feldspar with Quartz)

Banded chert or flint pebble

Microcrystalline quartz (SiO₂), likely chert with a pale weathered/altered zone

Unakite

Altered Granite (Epidotized Granite)

Fuchsite or Green Mica Schist

Muscovite variant (KAl2(AlSi3O10)(OH)2 with Cr)

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Unakite

Altered Granite (Epidotized Granite)

Gabbroic or basaltic rock with weathered veins

Likely mafic igneous rock, possibly olivine gabbro or porphyritic basalt; exact identification requires testing

Tumbled greenish jasper

Jasper, microcrystalline quartz (SiO₂) with iron-bearing and clay-mineral impurities

Polished serpentine (likely green serpentinite)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with magnetite and possible chromite or carbonate inclusions

Unakite

Granitic rock composed of pink orthoclase feldspar, green epidote, and clear quartz