Hydromagnesite
Origin: Basic Refractories mine, Gabbs, Nye Co., Nevada, U.S.A.
Sample size: 3 x 2 cm x 4 mm, white bladed crystals to 1 cm
Origin: Basic Refractories mine, Gabbs, Nye Co., Nevada, U.S.A.
Sample size: 3 x 3 cm x 6 mm, white crystals to 5 mm
Origin: Lobming, Styria, Austria
Picture size: 5 mm
Owner: Thomas Witzke
This specimen of
serpentine hosts scores of small acicular crystalline masses of mily white
hydromagnesite. The rather uniform masses range in size up to 4 mm across.
Origin: Staten Island, NY, U.S.A.
Sample size: 5.2 x 10.4 cm specimen. Contains numerous 1-2 mm wide white
rosette-like crystals that cover one side of the specimen (top), 10.6 x 5.5 x
3.4 cm (2nd/bottom row)
John Veevaert, Trinity Mineral Co
Origin: Cole's Mine, New Idria, San Benito Co., California, U.S.A.
Sample size: 5.1 x 4.1 x 3.2 cm
Hydromagnesite crystals in a cavity in a vein of massive hydromagnesite
Origin: Nickel Reward Mine, Trial Harbour (Remine), Tasmania, Australia
Sample size: Crystals are 1 mm
Sample owner: Steve Sorrell