Mineral With Metamorphic Or Sedimentary Host

Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

metamorphic

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

mineral

Blue Quartz (Dumortierite Quartz)

SiO2 with inclusions of AlAl6BSi3O18

mineral

Sapphirine in Magnesian Schist

Sapphirine: (Mg,Al)8(Al,Si)6O20

metamorphic

Quartzite Beach Pebble

Quartzite (primarily SiO2)

metamorphic

Epidote

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

mineral

Green Aventurine

Aventurine (Silicon dioxide, SiO₂)

Mineral; variety of Quartz

Quartz Pebble

Silicon Dioxide (SiO2)

Mineral / Sedimentary occurrence

Quartz (various varieties)

SiO₂ (Silicon Dioxide)

Mineral

Quartz

Silicon Dioxide (SiO₂)

Mineral

Almandine Garnet

Almandine - Fe3Al2(SiO4)3

mineral

Quartz

Quartz (Silicon Dioxide - SiO2)

Mineral

Yellow Quartzite Pebble

Quartzite (SiO2)

metamorphic

Almandine Garnet

Iron aluminum silicate - Fe3Al2(SiO4)3

metamorphic

Shungite

Non-crystalline carbon (high-carbon metamorphic rock)

metamorphic

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

mineral

Quartz Mineral

Silicon Dioxide (SiO2)

mineral

Rhodonite

Manganese Silicate (Mn, Fe, Mg, Ca)SiO3

mineral

Ruby Fuchsite / Ruby in Fuchsite

Ruby (Al2O3 variety corundum) and Fuchsite (K(Al,Cr)2AlSi3O10(OH)2 - a chromium-rich variety of muscovite mica) in Quartz matrix

Mineral

Schorl (Black Tourmaline) in Matrix

Sodium Iron Aluminum Borosilicate Hydroxide (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)

mineral

White Marble

Recrystallized Calcite (CaCO3)

metamorphic

Quartzite (Yellow/Orange variety)

Quartzite (primarily SiO2)

metamorphic

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

mineral

Amethyst (Purple), Sulfur (Yellow), and Blue Apatite

SiO2 (Quartz), S (Native Sulfur), Ca5(PO4)3(F,Cl,OH) (Apatite Group)

mineral

Mica Schist

Foliated Metamorphic Rock (Schist)

metamorphic

Green Tourmaline

Elbaite (part of Tourmaline group), Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4

mineral

Yellow Sapphire or Citrine

Al2O3 (Corundum) or SiO2 (Quartz)

mineral

Quartz-filled Basalt Geode

Amygdaloidal Basalt with Quartz (SiO2)

igneous

Gneiss

Gneiss (High-grade metamorphic rock)

metamorphic

Blue Quartzite

Quartzite (specifically a variety enriched with blue-coloring minerals)

Metamorphic Rock

Greenstone (Greywacke or Nephrite Jade variant)

Metamorphosed mafic igneous or sedimentary rock (e.g., Actinolite-Chlorite Schist)

metamorphic

Dragon Blood Jasper

Epidote with Red Piedmontite (Chalcedony/Quartz variant)

sedimentary

Mica Schist with Garnet

Garnetiferous Mica Schist

metamorphic

River Stone (possibly Gneiss)

Metamorphic Gneiss

metamorphic

Muscovite Mica

Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2

mineral

Fuchsite

Chromium-rich Muscovite (KAl2(AlSi3O10)(OH,F)2 with Cr replacements)

mineral

Anthracite Coal

Anthracite (Carbon-based sedimentary-derived metamorphic rock)

metamorphic

Jade

There are two distinct minerals commonly known as Jade: Nephrite (a calcium magnesium silicate - Ca2(Mg,Fe)5Si8O22(OH)2) and Jadeite (a sodium aluminum silicate - NaAlSi2O6). Based on the image showing a typically softer, more fibrous appearance, it is likely Nephrite.

Mineral