October 06, 2026
Honey Calcite: Color, Cleavage, Fluorescence & Locality Differences
Compare honey calcite from Nevada, Mexico and Utah, including crystal clusters, cleavage pieces and fluorescent specimens.
THE FIELD JOURNAL
Mineral & Lapidary Guides
October 06, 2026
Septarian Nodules Explained: Cracks, Calcite & Madagascar Specimens
A collector guide to septarian nodules, how they form and why polished Madagascar pieces often reveal dramatic calcite-filled interiors.
October 06, 2026
Skeletal vs Elestial Quartz: What the Crystal Growth Terms Mean
Understand skeletal and elestial-style quartz growth using real smoky and amethyst quartz examples from The Hidden Bazaar.
October 06, 2026
Sumatran Blue Amber: Why Some Fossil Resin Glows Under UV
A guide to Sumatran blue fluorescent amber, fossil resin, UV response and collector considerations using a real 6.9 oz specimen.
October 06, 2026
Petoskey Stone: Fossil Coral, Identification & Michigan Geology
Learn what Petoskey Stone is, how to identify its fossil coral pattern and why Michigan specimens are prized by collectors.
October 06, 2026
Tower Mine Minerals: Manganese Oxides, Calcite & the Luis Lopez District
A collector guide to Tower Mine mineral specimens from New Mexico, featuring manganese oxides, calcite and associated minerals.
October 06, 2026
San Diego County Tourmaline in Quartz: A California Pegmatite Specimen Guide
A collector-focused look at green tourmaline in quartz from San Diego County and why California pegmatite specimens are so distinctive.
October 06, 2026
Mexican Fluorite & Calcite: Crystal Habits, Colors and Collector Examples
A specimen-driven guide to Mexican fluorite and calcite, including purple cubes, pale green fluorite, honey calcite and botryoidal goethite associations.
October 06, 2026
Brazilian Quartz Specimens: Clusters, Phantoms, Hematite & Tourmaline
A collector guide to Brazilian quartz using real examples with chlorite phantoms, hematite, tourmaline, clear clusters and unusual matrix growth.
October 06, 2026
Boulder Hill Fluorite, Nevada: Cubic Crystals, Goethite & Barite Associations
Explore Boulder Hill fluorite from Nevada through two real specimens featuring cubic fluorite, botryoidal goethite and barite associations.
October 06, 2026
Nevada Cinnabar: Identification, Collector Appeal & Safe Handling
A practical guide to Nevada cinnabar specimens, including identification clues, collector appeal and safe handling considerations.
October 06, 2026
Comstock Lode Mineral Specimens: Calcite, Quartz & Virginia City Geology
A collector-focused guide to Comstock Lode and Virginia City mineral specimens, using real calcite and quartz examples from The Hidden Bazaar inventory.