Crystals
Larimar
Larimar • Blue Pectolite (NaCa2Si3O8(OH)) Crystal System: Triclinic • Biaxial (–) Mohs ~4.5–5 • SG ~2.8–2.9 Habit: Fibrous–radiating masses & spherulites Locality: Dominican Republic (Barahona) Larimar — Caribbean Sky, Written...
Larimar
Larimar • Blue Pectolite (NaCa2Si3O8(OH)) Crystal System: Triclinic • Biaxial (–) Mohs ~4.5–5 • SG ~2.8–2.9 Habit: Fibrous–radiating masses & spherulites Locality: Dominican Republic (Barahona) Larimar — Caribbean Sky, Written...
Jade
Jade • two materials: jadeite (pyroxene) & nephrite (amphibole) Toughness: both exceptionally tough; nephrite is the champion (felted fibers) Jadeite: NaAlSi2O6 • RI ~1.66–1.68 • SG ~3.30–3.38 • Mohs ~6.5–7...
Jade
Jade • two materials: jadeite (pyroxene) & nephrite (amphibole) Toughness: both exceptionally tough; nephrite is the champion (felted fibers) Jadeite: NaAlSi2O6 • RI ~1.66–1.68 • SG ~3.30–3.38 • Mohs ~6.5–7...
Emerald
Emerald • green variety of beryl — Be₃Al₂Si₆O₁₈ colored by Cr³⁺/V³⁺ Crystal system: Hexagonal • Habit: long prisms, etched crystals, massive Mohs: ~7.5–8 • SG: ~2.67–2.78 • RI (spot): ~1.57–1.60...
Emerald
Emerald • green variety of beryl — Be₃Al₂Si₆O₁₈ colored by Cr³⁺/V³⁺ Crystal system: Hexagonal • Habit: long prisms, etched crystals, massive Mohs: ~7.5–8 • SG: ~2.67–2.78 • RI (spot): ~1.57–1.60...
Copper
Copper • Cu (Native Element) Isometric (Cubic) • FCC Metal Mohs ~2.5–3 • SG ~8.96 Ultra‑Conductive • Malleable • Ductile Copper 🧡 — Warm Metal, Ancient Story, Modern Style From...
Copper
Copper • Cu (Native Element) Isometric (Cubic) • FCC Metal Mohs ~2.5–3 • SG ~8.96 Ultra‑Conductive • Malleable • Ductile Copper 🧡 — Warm Metal, Ancient Story, Modern Style From...
Amber
Fossilized Tree Resin Succinite (Baltic) • Copal (younger) Mohs ~2–2.5 • SG ~1.05–1.10 Amber 🧡 — Ancient Sunlight, Modern Magic: A Friendly Guide Golden, honeyed, and wonderfully light. Amber is...
Amber
Fossilized Tree Resin Succinite (Baltic) • Copal (younger) Mohs ~2–2.5 • SG ~1.05–1.10 Amber 🧡 — Ancient Sunlight, Modern Magic: A Friendly Guide Golden, honeyed, and wonderfully light. Amber is...
Onyx
Onyx (gem sense) • straight‑banded chalcedony — microcrystalline SiO₂ Classic palette: black/white layers; sardonyx = brown/red (sard) + white Mohs: ~6.5–7 • SG: ~2.58–2.64 • Luster: waxy‑vitreous • Cleavage: none...
Onyx
Onyx (gem sense) • straight‑banded chalcedony — microcrystalline SiO₂ Classic palette: black/white layers; sardonyx = brown/red (sard) + white Mohs: ~6.5–7 • SG: ~2.58–2.64 • Luster: waxy‑vitreous • Cleavage: none...