Hidden Gem
The Richard Berger Collection
Crystals:
What is a crystal?
Unit cells
Anisotropy
Ionic crystals
Dendrite crystals
Crystal chemistry
Mineral chemistry
Crystals, elements & symmetry
Cubic lattices and close packing
Chemical composition of minerals
A bizarre form of crystalline matter
Lattice structures in crystalline solids
Textures & structures of igneous rock
An inside look at carbon in Earth's interior
Researchers just proved crstals can bend
Formation & growth:
Holy eclogite!
Crystallization
Crystallization of magma
Supersaturated solutions
How are gemstones created?
How do crystals form and grow?
What variable affect crystal growth?
Formation of a crystal nucleus from liquid
Theory of crystal formation complete again
Episodes of fast crystal growth in pegmatites
Atomic resolution video of salt crystals forming in real time
Crystals like you have never seen them before: they're flexible!
Crystal habits:
Geodes
Forms of minerals and gems
Crystal caves:
9 best crystal caves around the world
Crystal caves buried deep in the Earth
Crystal caves: when Nature grows crystals
The role of crystals in paleogeology:
Ancient crystals suggest earlier ocean
Crystal is 'oldest scrap of Earth's crust'
Scientists reveal origin of Earth's oldest crystal
4-billion-year-old crystals offer clues to the origins of life
Specific crystals:
Ten crystals with wierd properties that look like magic
Salt:
Rock salt
Synthesis, crystal structure analysis, and electrochemical properties of rock salt
Quartz:
What is quartz?
The silicate minerals
Macrocrystalline quartz
Properties of quartz and glass
Recent trends in the crystal chemistry of rock forming silicates
Ruby & Sapphires:
Corundum
Beryl crystals & chemistry:
The chemistry of emeralds
Diamonds:
Earth recycles ocean floor into diamonds
Herkimer diamonds science and formation
What do blue diamonds reveal about our planet?
Bizarre 'nesting doll' diamond found inside another diamond
Scientists befuddled by rock containing 30,000 tiny diamonds
Diamond impurities bonanza for geologists studying Earth's history
Imperfect diamonds paved way to historic new deep Earth discoveries
Fingerprints of Earth's original building blocks discovered in diamond-bearing rocks
Regional:
USA:
Digging for crystals and gemstones in the USA