Chalcedony

Chalcedony is a cryptocrystalline form of silica, composed of very fine inter growths of the minerals quartz and moganite, these are both silica minerals. Chalcedony has a waxy luster, and may be semi-transparent or translucent. It can assume a wide range of colors, but those most commonly seen are white to gray, grayish-blue or a shade of brown ranging from pale to nearly black. The name is probably derived from the town Chalcedon in Asia Minor.
Color: White, Black, Grey (blue), Semi Transparent

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Features: 1. Gemmy, clear and white apophyllite, shining brightly. 2. Small stilbite blades have formed throughout the specimen. 3. Double-terminated apophyllite crystals. Dimensions 14 CMS X 5 CMS 250 gms Primary Mineral(s): Apophyllite Secondary Mineral(s): Stilbite Matrix: Chalcedony Locality: Jalgaon, Maharashtra, India Year of Discovery: 2018

Black Chalcedony with Apophyllite Natural Mineral Specimen (Repaired) - #AF19

Chalcedony Gorgeous Natural Sculpture Formation, Nashik, India # M014

Chalcedony Gorgeous Natural Sculpture Formation, Nashik, India # M014

Chalcedony Sea Coral Formation with Stellerite, Jalgaon, India #TB34

Chalcedony Sea Coral Formation with Stellerite, Jalgaon, India #TB34

Chalcedony Stalactite with Bow Tie Stellerite # E31 White and grey chalcedony stalactite.2. Single orange stellerite bow tie.3. Smaller white stellerite inclusions.  Primary Mineral(s): ChalcedonySecondary Mineral(s): StelleriteMatrix: N/A7cm x 5cm X 21.5cm 5.5 OzLocality: Nashik, Maharashtra, India

Chalcedony Stalactite with Bow Tie Stellerite # E31

Chalcedony Stalactites with Stilbite Bow Ties - #A21

Chalcedony Stalactites with Stilbite Bow Ties - #A21

Chalcedony Stalactites with Stilbite, Jalgaon, India #TUC034

Chalcedony Stalactites with Stilbite, Jalgaon, India #TUC034

An exceptional rare formation of translucent Chalcedony crystals on extremely unique and fantastically contrasting Chabazite matrix. Dimensions 9 cm x 8 cm Weight : 350 gm

Chalcedony Translucent Crystals on Unique Chabazite matrix - #20T165

Green Apophyllite Flower On Stilbite Plate, Nashik, India # M09

Green Apophyllite Flower On Stilbite Plate, Nashik, India # M09

Rare Peach Stellerite on Blue Chalcedony - #B32

Rare Peach Stellerite on Blue Chalcedony - #B32

A rare collectible display piece, Stalactites of Chalcedony with a very unusual & uncommon Stalactite of rare Deep Brown Heulandite crystals. Chalcedony ranges in colour from white to grey, greyish-blue, or brown ranging from pale to nearly black and has a waxy lustre, and may be semitransparent or translucent. Varieties of Chalcedony include Agate, Carnelian, Aventurine, Jasper, Onyx, Bloodstone, Tiger Eye, Sardonyx and Chrysoprase

Stalactites of Chalcedony with a Stalactite of rare Brown Heulandite crystals. # TUC094

An exceptionally compelling, multi-dimensional, curvy Calcite formed over clear Apophyllite and featuring lustrous, rare peach-orange Stilbite crystals. 28 cm x 11 cm Weight: 650 gm Primary Mineral(s): Stellerite Secondary Mineral(s): Chalcedony Matrix : Chalcedony

Stellerite Orange Color on Chalcedony Matrix - #20T129

Stilbite with Heulandite Chalcedony Sea Coral Formation # 20T41

Stilbite with Heulandite Chalcedony Sea Coral Formation # 20T41