Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Kedykverpakhk Mt., Lovozero Massif, Kola Peninsula, Russia
- Formula
- Na2TiO(SiO4)
- Size
- SmCabinet 8x3.5x2.5cm
- Special Info
- Fluorescent
- Special Info
- Type Locality
- Special Info
- XRD Confirmed
- Special Info
- EDS Confirmed
This rare sodium titanium silicate is found only in pegmatites of the Kola peninsula. The crystals are embedded in the matrix as 1mm grains which fluoresce a nice bright blue color. Without the aid of UV these grains are hard to distinguish from the rest of the alkaline matrix.
- Availability
- Sold
- Locality
- Chuquicamata mine, El Loa Prov., Antofagasta, Chile
- Formula
- NaCu2(SO4)2(OH)·H2O
- Size
- SmCabinet 6.5x4x4cm
- Tagged
- copper
- Special Info
- Type Locality
An excellent specimen of this rare copper mineral found in only three worlwide localities thus far. This is the type locality. The specimen contains numerous well-formed translucent crystals from 1-4mm as seen in the photos.
- Availability
- Sold
- Locality
- Chuquicamata mine, El Loa Prov., Antofagasta, Chile
- Formula
- NaCu2(SO4)2(OH)·H2O
- Size
- SmCabinet 6x4x3cm
Deep, emerald, lustrous, well formed Natrochalcite crystals to 1mm. The rest of the lighter green is also Natrochalcite. Rare. Sawed. Ex John Parnau with tag (see prov. tab).
- Availability
- Sold
- Locality
- Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada
- Formula
- Na4Zr2Si10O26·9H2O
- Size
- Thumbnail 3x2x2cm
- Special Info
- Type Locality
Perfect fans and radial cross sections of Natrolemoynite to 2mm embedded throughout matrix. Each fan is composed of lustrous honey-yellow slender crystals of this very rare hydrated Zirconium Silicate.
- Availability
- Sold
- Locality
- Mont Saint-Hilaire, Montérégie, Québec, Canada
- Formula
- Na4Zr2Si10O26·9H2O
- Size
- Thumbnail 3x2x1.5cm
- Special Info
- Type Locality
Three very nice radial groups to 3mm.
- Availability
- Sold
- Locality
- Nashik dist., Maharashtra, India
- Formula
- Na2(Si3Al2)O10·2H2O
- Size
- SmCabinet 9x7x4.5cm
Sprays of Natrolite crystals to over 2cm in a large open vug 7cm across.
