GuideNeptuniteNeptunite: jet-black, high-luster prisms with natrolite and benitoite; California State Gem Mine specimens exemplify striking contrast, rarity, and display.Read guide
GuideNeptunite from California State Gem Mine, USACalifornia State Gem Mine, San Benito County - famed for black neptunite with blue benitoite in natrolite, offering dramatic contrast and collector appeal.Read guide
Neptunite$1,500Median24Sold (12 mo)$1,500Last saleRecent salesSee moreSold for $1,5002 months agoSold for $3,0002 months agoSold for $4,5002 months agoSold for $2,0002 months agoSold for $1,5002 months agoSold for $3,5002 months agoSold for $4,5002 months agoSold for $2502 months agoSold for $2,2502 months agoSold for $1602 months ago
