Name:

strontianite

A photo of the mineral strontianite

Class:

Carbonates

Chemistry:

SrCO3 Strontium Carbonate

Color(s):

white, yellowish, greenish-gray streak: white

Hardness:

3.0 - 4.0

SpecGrav:

3.7 - 3.78

Fracture:

conchoidal

Cleavage:

perfect

Crystal:

orthorhombic (prismatic, tabular, radiating fibrous, sometimes massive)

Envronment:

hydrothermal veins, fillings in chalk cavities, sometimes in limestone cavities

Association:

galena, calcite, sphalerite, chalcopyrite, dolomite, quartz

Locals:

| Scotland | Switzerland | Italy | Germany | Calif., N.Y., Pa., Illinois, Ohio, USA |

Misc:

Strontianite colors a flame crimson, it is used in fireworks to create the deep red colors. It is named for its classic locality, Strontian, Argkyllshire, Scotland. Effervescence in dilute HCl, and is sometimes fluoresces blue in UV light.

Photos
& Locals:

1.) Nat. Limestone Quarry, Snyder Co., Pa.
2.) Nat. Limestone Quarry, Snyder Co., Pa.

3.) Nat. Limestone Quarry, Snyder Co., Pa.

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