Sedimentary Or Metamorphic (Low Grade)

Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Epidotite (Unakite-related Epidote)

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

Greenstone / Greenschist

Greenschist facies metamorphic rock (composed primarily of chlorite, actinolite, and epidote)

Epidote in Matrix (Dragon Stone variant)

Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))

Prehnite

Ca2Al(AlSi3O10)(OH)2

Wavellite

Wavellite (Al3(PO4)2(OH, F)3·5H2O)

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Celadonite in Basalt (Green Earth)

Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)

Brecciated Jasper or Chert

SiO2

Mica Schist (with Golden/Biotite inclusions)

K(Mg,Fe)3AlSi3O10(F,OH)2 (Biotite), KAl2(AlSi3O10)(F,OH)2 (Muscovite)

Epidote

Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))

Limonite

FeO(OH)•nH2O

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)

Greenstone (Greenschist)

Greenschist facies rock (containing chlorite, epidote, actinolite)

Greenstone

Metabasalt / Greenschist

Porphyritic Andesite or Basalt

Porphyritic Intermediate/Mafic Igneous Rock

Anthracite Coal

Anthracite (Highly Metamorphosed Coal)

Greenstone

Greenschist (primarily composed of chlorite, actinolite, and epidote)

Greenstone (Epidosite)

Epidosite (Metamorphosed Basalt/Diabase)

Greenstone (Epidote/Chlorite Rich Rock)

Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))

Greenstone

Greenschist / Meta-basalt

Greenschist

Greenschist (comprising Actinolite, Chlorite, and Epidote)

Greenschist (Greenstone)

Greenschist

Green Jade

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Epidote

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Ironstone Concretion

Siderite or Hematite Concretion

Vesicular Basalt with Epidote/Amygdaloidal Basalt

Amygdaloidal Basalt (Mg, Fe)2SiO4 + Ca2(Al, Fe)3(SiO4)3(OH)

Epidote in Matrix

Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)

Anthracite Coal

Anthracite (Carbon-based organic sedimentary/metamorphic rock)

Limonite Nugget

Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O)

Limonite/Goethite Iron Concretion

Hydrated iron oxide-hydroxide mixture (FeO(OH)·nH2O)

Mica Schist with Garnet inclusions

Mica Schist (primarily Muscovite and Biotite - KAl2(AlSi3O10)(OH)2)

Slate

Slate (Foliated Metamorphic Rock)

Raw Emerald (Emerald Beryl)

Beryl (Be3Al2Si6O18) with chromium/vanadium impurities

Epidote

Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)

Anthracite Coal

Anthracite (Carbon based)

Epidote in Matrix (Unakite-related)

Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))

Ironstone Concretion

Ironstone (Limonite/Goethite/Hematite mixture)

Jasper / Chert (Iron-stained Quartz)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Greenschist

Greenschist (Chlorite-actinolite schist)