Igneous And Sedimentary Mixture

Granite Gneiss

Gneiss (derived from granitic protolith)

Magnetic Hematite

Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)

Agate

Agate (a cryptocrystalline variety of Quartz, SiO₂)

Agate (various color varieties)

SiO₂ (Silicon Dioxide)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Diopside (likely Chromian Diopside)

Diopside, part of Clinopyroxene family of inosilicates. Chemical formula: CaMgSi2O6. The green variety is often Chromian Diopside due to chromium impurities.

Citrine Quartz

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)

Diorite (Igneous rock, intrusive, intermediate composition)

Rose Quartz

Rose Quartz (SiO₂)

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Green Aventurine

Aventurine (a variety of Quartz, SiO2)

Smoky Quartz

SiO2 (Silicon Dioxide)

Black Tourmaline (Schorl)

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Aquamarine

Beryl (Be3Al2Si6O18), specifically the blue-green variety

Quartzite

Quartzite (primarily composed of SiO O₂)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartz

Silicon Dioxide (SiO₂)

Quartz Geode/Druzy Quartz

Quartz (SiO₂)

Included Quartz Beads (likely Phantom Quartz or Garden Quartz)

Quartz (SiO2) with various mineral inclusions

Green Aventurine

Aventurine (a variety of Quartz, SiO2)

Mixed Gemstone Beaded Jewelry

Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)

Citrine

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Aventurine (Green Aventurine)

Quartz with Fuchsite Inclusions (SiO2)

Banded Metamorphic Rock (likely Quartzite or Serpentinite/Soapstone)

Metamorphic Rock (possibly a banded Quartzite or a foliated Serpentinite/Talc Schist based on appearance, general term for such a rock is 'Banded Metamorphic Rock' or 'Gneiss' if pronounced banding of different minerals)

Banded Gneiss (Variety of Gneiss)

Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)

Marble

Marble (primarily Calcite, CaCO3 or Dolomite, CaMg(CO3)2)

Banded Gneiss (with possible weathered sulfide or iron staining)

Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides

Banded Gneiss

Gneiss

Amethyst

Quartz variety; chemical formula: SiO₂ (silicon dioxide) with Fe³⁺ impurities

Rose Quartz

Quartz (SiO2) with trace elements of titanium, iron, or manganese

Thunderegg (Ate Agate/Jasper Geode)

Silicon Dioxide (SiO2) within Rhyolite/Perlite matrix

Thunderegg (Agate-filled Geode Node)

Silicon dioxide (SiO2) with various inclusions

Jasper and Basalt (Mixed Breccia or Chert)

Silicon Dioxide (SiO2) with Ferromagnesian silicates

River Cobbles (Basalt, Quartzite, and Sandstone mix)

Fluvial detritus (primarily SiO2, Plagioclase, and Pyroxene mix)

Crushed Stone (Gravel/Aggregates)

Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)

Drill Core Samples (Varied Lithology)

Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)

Amethyst Geode/Cluster

Quartz (SiO2) - variety Amethyst

Biotite Mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

Smoky Quartz

SiO2 (Silicon Dioxide)