Auction Win: Green Apophyllite and Stilbite (Velvety)
Pickup available at Crystal Castle
Usually ready in 24 hours
Details
Locality: Nashik District, Nashik Division, Maharashtra, India
Size: Cabinet - 11 × 7 × 6.5 cm
Several minty green Apophyllite crystals dispersed around velvety, peach-hued Stilbite. Some rainbows seen in the Apophyllite crystals. An attractive, cabinet-sized specimen.
Stilbite is a zeolite mineral, specifically Stilbite-Ca with the formula NaCa4(Si27Al9)O72·28H2O, first described in 1818 by Swedish mineralogist Johan August Arfvedson, with its name derived from the Greek word stilbos meaning "to shine" due to its lustrous appearance.
Apophyllite is a silicate mineral group named in 1806 by Rene Just Haüy from the Greek for "away from leaf" because it exfoliates upon heating. Almost all apophyllite crystals are tetragonal with square cross sections, making them easy to distinguish from similar minerals like chabazite.
Nashik District in the Nashik Division of Maharashtra, India, is a renowned mining locality known for its extensive system of quarries, including the notable Mahodari Quarry, which is rich in cavities and has produced 43 valid minerals. Collectors today value Nashik for its unique cavity-rich deposits and the variety of high-quality mineral specimens it continues to yield, making it a key destination for serious mineral enthusiasts.
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