Metamorphic Or Igneous Alteration

Tiffany Stone

Bertrandite Fluorite (CaF2 + Be4Si2O7(OH)2)

Epidosite

Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)

Unakite

Unakite (Altered Granite consisting of Orthoclase KAlSi3O8, Epidote Ca2(Al,Fe)3(SiO4)3(OH), and Quartz SiO2)

Pink Calcite (Mangano Calcite)

Calcium Carbonate (CaCO3)

Basalt with Epidote (Flowerstone-like texture)

Amygdaloidal Basalt (silicate mineral inclusions)

Jade (likely Nephrite Jade based on appearance)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)

Green Aventurine

Quartz (Aventurine variety) - SiO₂ with Fuchsite inclusions

Unakite

Epidotized Granite

Unakite (often traded as Dragon Blood Jasper)

Epidotized Granite

Unakite

Epidotized Granite

Jade (likely Nephrite or Jadeite)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Garnet

Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)

Unakite

Unakite (Epidote-Feldspar rock)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Basalt (Greenstone)

Amygdaloidal Basalt / Chloritized Basalt

Dragon Blood Jasper

Epidote with Red Jasper inclusions (SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))

Amygdaloidal Basalt with Epidote/Chlorite

Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))

Basalt with Epidote

Mafic volcanic rock with Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Basalt with Epidote (Porphyry)

Basalt (with inclusions of Epidote/Feldspar)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Rhodonite

Rhodonite; (Mn,Fe,Mg,Ca)SiO3

Granite with Orthoclase and Hematite Staining

Phaneritic Felsic Igneous Rock (primarily SiO2 with KAlSi3O8)

Diabase (Greenstone Pebble)

Diabase or Dolerite

Greenstone / Diorite

Intermediate plutonic igneous rock

Epidote-bearing Granite (Unakite-like)

Epidotized Granite

Demitasse Granite (Diorite-Granite transition)

Intermediate Plutonic Rock (Granodiorite/Diorite mix)

Bronzite

Enstatite (var. Bronzite), (Mg,Fe)SiO3

Serpentine

Serpentine Group Minerals (e.g., Antigorite, Chrysotile, Lizardite)

Talc

Talc (Mg₃Si₄O₁₀(OH)₂)

Vesicular Basalt with Epidote

Vesicular Basalt (Mg, Fe)2SiO4 with Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

Unakite

Epidotized Granite

Unakite

Unakite Lepidolite

Gold (Processed)

Gold (Au)

Nephrite Jade

Nephrite

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Blue Apatite

Apatite (Group), Ca5(PO4)3(F,Cl,OH)

Serpentine Schist with Quartz Vein

Serpentine Schist (a type of Metamorphic rock). The white band is likely Quartz (SiO2).

Basalt (Greenstone/Trap Rock)

Basalt (dominated by plagioclase feldspar and pyroxene)

Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.

Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.

Granite (weathered)

Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Basalt with Epidote Veining

Basalt (Mafic Extrusive Rock) with Ca2(Al,Fe)3(SiO4)3(OH)

Serpentinite (Serpentine Rock)

Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.