Crystals
Desert rose
Desert Rose • Rosette Habit Gypsum (CaSO4·2H2O) or Barite (BaSO4) Mohs: 2 (gypsum) • 3–3.5 (barite) Delicate • Sand‑Rich “Petals” Desert Rose 🌤️ — Sand, Wind, and Petals Made of...
Desert rose
Desert Rose • Rosette Habit Gypsum (CaSO4·2H2O) or Barite (BaSO4) Mohs: 2 (gypsum) • 3–3.5 (barite) Delicate • Sand‑Rich “Petals” Desert Rose 🌤️ — Sand, Wind, and Petals Made of...
Iceland spar
Iceland Spar • optical‑grade calcite — CaCO₃ Crystal system: Trigonal (rhombohedral) • Habit: transparent rhombohedra Mohs: 3 • SG: ~2.71 • Cleavage: perfect in 3 directions (rhombohedral) Optics: strongly birefringent...
Iceland spar
Iceland Spar • optical‑grade calcite — CaCO₃ Crystal system: Trigonal (rhombohedral) • Habit: transparent rhombohedra Mohs: 3 • SG: ~2.71 • Cleavage: perfect in 3 directions (rhombohedral) Optics: strongly birefringent...
Kambaba jasper
Kambaba “Jasper” • green‑black orbicular rhyolite (volcanic) Trade names: Kabamba, Crocodile jasper, sometimes grouped with “Eldarite” family Typical makeup: quartz + alkali feldspars (albite/sanidine) with amphiboles & aegirine Hardness ~6–7...
Kambaba jasper
Kambaba “Jasper” • green‑black orbicular rhyolite (volcanic) Trade names: Kabamba, Crocodile jasper, sometimes grouped with “Eldarite” family Typical makeup: quartz + alkali feldspars (albite/sanidine) with amphiboles & aegirine Hardness ~6–7...
Leopardite jasper
Leopardite / Leopard Skin “Jasper” • Trade name Rock Type: Orbicular rhyolite (not a true jasper) Textures: Spherulitic • Orbicular (“rosettes”) Common Palette: Cream • Tan • Pink‑salmon • Orange...
Leopardite jasper
Leopardite / Leopard Skin “Jasper” • Trade name Rock Type: Orbicular rhyolite (not a true jasper) Textures: Spherulitic • Orbicular (“rosettes”) Common Palette: Cream • Tan • Pink‑salmon • Orange...
Mookaite jasper
Mookaite “Jasper” • Silicified radiolarite / chert (microcrystalline SiO2) Formula: SiO2 (cryptocrystalline quartz + moganite) Mohs ~6.5–7 • SG ~2.58–2.64 Age & host: Cretaceous radiolarian sediments, silicified Locality: Mooka Creek,...
Mookaite jasper
Mookaite “Jasper” • Silicified radiolarite / chert (microcrystalline SiO2) Formula: SiO2 (cryptocrystalline quartz + moganite) Mohs ~6.5–7 • SG ~2.58–2.64 Age & host: Cretaceous radiolarian sediments, silicified Locality: Mooka Creek,...
Oceanic jasper
Ocean Jasper® / “Oceanic Jasper” • Orbicular chalcedony (microcrystalline SiO₂) Rock context: Silicified rhyolite along coastal outcrops Mohs ~6.5–7 • SG ~2.58–2.64 Textures: Orbicules (bull’s‑eyes) • Agate banding • Drusy...
Oceanic jasper
Ocean Jasper® / “Oceanic Jasper” • Orbicular chalcedony (microcrystalline SiO₂) Rock context: Silicified rhyolite along coastal outcrops Mohs ~6.5–7 • SG ~2.58–2.64 Textures: Orbicules (bull’s‑eyes) • Agate banding • Drusy...