Stibnite (February 15th, 2016)

Here we go! Mineral Monday again, and this week we have Stibnite (Sb2S3).

Stibnite is actually a fairly common mineral in hydrothermal systems, although it is rarely found in large deposits. It was highly prized in ancient times as when it was crushed and mixed with animal fats, it formed ‘kohl’ used by many in the ancient Middle East as make-up! It was at one time also used in flash photography, but both of these practices were abandoned once people realized how toxic antimony is to humans. Today, stibnite is used in fireworks to create trails of stars in pyrotechnical displays.

This sample is from the Horne Lake area of Vancouver Island. The local geology consists mainly of limestones from ancient coral reefs that were subsequently intruded by magma and hot, mineral rich fluids.

Horne Lake is famous for the Horne Lake Caves National Park – often described as the best in Canada! Visitors can go to the park and take self-guided tours around the caves, seeing the rocks, fossils and minerals all underground. The Park is located about 23km west of Qualicum Beach. The caves were likely known by First Nations, although they were not officially discovered until 1912 by a local geologist, when the area was opened for logging. The streams in the caves were initially dammed to provide drinking water for the ‘logging donkeys’ that were being used at the time to haul lumber.

By 1945, the caves became well known by people looking for adventure filled day trips, but did not become a National Park until 1971.

Horne Lake itself is named after Adam Grant Horne, an immigrant from Edinburgh in Scotland, who arrived in 1851 and worked as a labourer. In 1856 Horne led what is thought to have been the first crossing of mid-Vancouver Island by a European. He was to ascertain whether a trail existed from the present location of Qualicum Beach, British Columbia, on Vancouver Island’s east coast in the hopes of establishing trade with the Nuu-chah-nulth who lived on the west coast. At the mouth of the Qualicum River, Horne’s party and their native guides observed a large fleet of Haida canoes approaching and hid in trees unable to warn the villagers of the impending attack. Afterwards, they observed the attackers as they left holding human heads. When they came to the mouth of the river, they came upon the charred remains of the village of Saatlaam and the mutilated bodies of its inhabitants. A chilling tale of the area for sure!

Specimen Information

Store: Pacific Museum of the Earth, University of British Columbia
Collection: UBC Geological Museum Collection
Accession #: 588
Primary Mineral: Stibnite
Secondary Mineral: n/a
Site Locality: Horne Lake
Location: West of Qualicum Beach, Vancouver Island, British Columbia
Special Features: n/a

The BC Minerals Projects

Massive Sulphide (MoM-008)

Massive Sulphide (MoM-008)

Scoria (MoM-009)

Scoria (MoM-009)

Rhyolite Expansion Breccia (MoM-007)

Rhyolite Expansion Breccia (MoM-007)

Cinnibar (MoM-006)

Cinnibar (MoM-006)

Hanging Wall Andesite (MoM-005)

Hanging Wall Andesite (MoM-005)

Core (MoM-004)

Core (MoM-004)

Veined Sulphide (MoM-003)

Veined Sulphide (MoM-003)

Bedded Sulphide (MoM-002)

Bedded Sulphide (MoM-002)

Clastic Sulphide (MoM-001)

Clastic Sulphide (MoM-001)

Iniskinites (SEG)

Iniskinites (SEG)

Altered Volcanic Sandstone / Mudstone (A2-03)

Altered Volcanic Sandstone / Mudstone (A2-03)

Coal (B1-04)

Coal (B1-04)

Semi-Massive Sulphide (D2-05)

Semi-Massive Sulphide (D2-05)

Bladed Feldspar Porphyry (V6-05)

Bladed Feldspar Porphyry (V6-05)

Volcanic Sandstone (V5-01)

Volcanic Sandstone (V5-01)

Quartz-Kaolin Sandstone (V2-18a)

Quartz-Kaolin Sandstone (V2-18a)

Rhyolite Breccia (V2-16a)

Rhyolite Breccia (V2-16a)

Ash Flow – Lahar (V2-14a)

Ash Flow – Lahar (V2-14a)

Tuffaceous Mudstone (V2-10a)

Tuffaceous Mudstone (V2-10a)

Rhyolite Lapilli Tuff (V2-8a)

Rhyolite Lapilli Tuff (V2-8a)

Rhyolite Lapilli Tuff (V2-06a)

Rhyolite Lapilli Tuff (V2-06a)

Flow Banded Rhyolite Tuff (V1-08f)

Flow Banded Rhyolite Tuff (V1-08f)

Sandstone (S21-18)

Sandstone (S21-18)

Conglomerate (S21-11)

Conglomerate (S21-11)

Sandstone (S21-01)

Sandstone (S21-01)

Tuffaceous Argillite (S5-10)

Tuffaceous Argillite (S5-10)

Amygdaloidal Basalt Flow (S5-04)

Amygdaloidal Basalt Flow (S5-04)

Sanidine Porphyry Trachyte (S4-03)

Sanidine Porphyry Trachyte (S4-03)

Monotis (SEG)

Monotis (SEG)

Garnet-Staurolite-Muscovite Schist (M1-14)

Garnet-Staurolite-Muscovite Schist (M1-14)

Pyrite-Galena-Calcite Vein(D34-13)

Pyrite-Galena-Calcite Vein(D34-13)

Pyrite-Chalcopyrite-Quartz Vein (D34-19)

Pyrite-Chalcopyrite-Quartz Vein (D34-19)

Siltstone breccia veined by sulphides (D32-04)

Siltstone breccia veined by sulphides (D32-04)

Massive Sulphide ore breccia (D17-07)

Massive Sulphide ore breccia (D17-07)

Siderite cemented breccia (D17-01)

Siderite cemented breccia (D17-01)

Weather Massive Chalcopyrite (D14-13)

Weather Massive Chalcopyrite (D14-13)

Felsic instrusion, brecciated and altered (D4-02)

Felsic instrusion, brecciated and altered (D4-02)

Quartz Sulphide Vein (D2-08)

Quartz Sulphide Vein (D2-08)

Massive Galena (D9-09)

Massive Galena (D9-09)

Chalcopyrite Vein (D14-06)

Chalcopyrite Vein (D14-06)

Andesite/Mercury(Hg) Ore (D1-01)

Andesite/Mercury(Hg) Ore (D1-01)

Quartz Sulphide Vein (D9-05)

Quartz Sulphide Vein (D9-05)

Chloritized Andesite (D5-13)

Chloritized Andesite (D5-13)

Dacite Breccia Sulphide Matrix (D2-06)

Dacite Breccia Sulphide Matrix (D2-06)

Andesite with Gypsum Vein (D1-07)

Andesite with Gypsum Vein (D1-07)

Granodiorite (SEG D1-04)

Granodiorite (SEG D1-04)

Andesite/Mercury(Hg) Ore (SEG D1-02)

Andesite/Mercury(Hg) Ore (SEG D1-02)

Conglomerate (SEG B1-01)

Conglomerate (SEG B1-01)

Fern Fossil (SEG 17LF037)

Fern Fossil (SEG 17LF037)

AME 133 Argentite, Galena, Quartz & Sphalerite

AME 133 Argentite, Galena, Quartz & Sphalerite

AME 93 Scheelite

AME 93 Scheelite

AME 641 Calcite, Chalcopyrite, Quartz Crystals

AME 641 Calcite, Chalcopyrite, Quartz Crystals

AME 582 Gypsum

AME 582 Gypsum

AME 580 Barite

AME 580 Barite

AME 546 Galena, Polybasite, Pyrite & Quartz

AME 546 Galena, Polybasite, Pyrite & Quartz

AME 509 Galena, Quartz, Tetrahedrite

AME 509 Galena, Quartz, Tetrahedrite

AME 483 Malachite (stain), Quartz, Tetrahedrite, Gold

AME 483 Malachite (stain), Quartz, Tetrahedrite, Gold

AME 452 Barite & Tetrahedrite

AME 452 Barite & Tetrahedrite

AME 298 Argentiferous Galena, Chalcopyrite, Gold, Pyrite, Pyrrhotite, Quartz

AME 298 Argentiferous Galena, Chalcopyrite, Gold, Pyrite, Pyrrhotite, Quartz

AME 199 Kyanite

AME 199 Kyanite

AME 106 Arsenopyrite, Gold & Quartz

AME 106 Arsenopyrite, Gold & Quartz

AME 439 Galena, Quartz, Sphalerite, Tetrahedrite

AME 439 Galena, Quartz, Sphalerite, Tetrahedrite

AME 435 Chalcopyrite & Quartz

AME 435 Chalcopyrite & Quartz

AME 194 Helvite

AME 194 Helvite

AME 250 Chalcopyrite, Galena, Pyrite, Quartz & Tetrahedrite

AME 250 Chalcopyrite, Galena, Pyrite, Quartz & Tetrahedrite

AME 158 Chalcopyrite, Pyrrhotite, Sphalerite

AME 158 Chalcopyrite, Pyrrhotite, Sphalerite

AME 148 Galena, Pyrite, Quartz, Scheelite & Sphalerite

AME 148 Galena, Pyrite, Quartz, Scheelite & Sphalerite

AME 143 Cinnabar & Quartz

AME 143 Cinnabar & Quartz

AME 118 Chromite

AME 118 Chromite

AME 87 Galena, Sphalerite, Chalcopyrite, & Pyrite

AME 87 Galena, Sphalerite, Chalcopyrite, & Pyrite

AME 66 Chalcopyrite

AME 66 Chalcopyrite

AME 42 Allemontite

AME 42 Allemontite

AME 21b Bornite

AME 21b Bornite

AME 21 Bornite

AME 21 Bornite

AME 8 Calcite

AME 8 Calcite

PME/IC 106 Gneiss

PME/IC 106 Gneiss

PME 22551 Kyanite

PME 22551 Kyanite

PME 6700 Molybdenite

PME 6700 Molybdenite

PME 6832 Gold

PME 6832 Gold

PME 215 Sphalerite

PME 215 Sphalerite

AME 997 Chalcopyrite & Pyrite

AME 997 Chalcopyrite & Pyrite

AME 994 Bornite & Stromeyerite

AME 994 Bornite & Stromeyerite

AME 991 Chalcopyrite, Molybdenite, Pyrite & Quartz

AME 991 Chalcopyrite, Molybdenite, Pyrite & Quartz

AME 980 Dolomite

AME 980 Dolomite

AME 961 Pyrite, Quartz & Sphalerite

AME 961 Pyrite, Quartz & Sphalerite

AME 941 Iron, Silver, Zinc & Lead

AME 941 Iron, Silver, Zinc & Lead

AME 930 Marble

AME 930 Marble

AME 918s Fossil Sequoia Leaf

AME 918s Fossil Sequoia Leaf

AME 656 Quartz & Pyrite

AME 656 Quartz & Pyrite

AME 555 Gold (Native) & Quartz

AME 555 Gold (Native) & Quartz

AME 506 Barite, Galena, Pyrite, Quartz, Rhodochrosite & Sphalerite

AME 506 Barite, Galena, Pyrite, Quartz, Rhodochrosite & Sphalerite

AME 502 Arsenopyrite, Dolomite, Gold & Quartz

AME 502 Arsenopyrite, Dolomite, Gold & Quartz

AME 486 Argentiferous Galena, Quartz, Sheelite & Sphalerite

AME 486 Argentiferous Galena, Quartz, Sheelite & Sphalerite

AME 482 Calcite, Chalcopyrite & Sphalerite

AME 482 Calcite, Chalcopyrite & Sphalerite

AME 446 Apatite, Orthoclase and Quartz

AME 446 Apatite, Orthoclase and Quartz

AME 417 Fossil Fern

AME 417 Fossil Fern

AME 161 Arsenopyrite, Gold & Pyrite

AME 161 Arsenopyrite, Gold & Pyrite

AME 918f Mayflies

AME 918f Mayflies

PME S74-1068 Galena

PME S74-1068 Galena

PME 1038 Galena

PME 1038 Galena

PME 983 Bornite & Chalcopyrite

PME 983 Bornite & Chalcopyrite

Tetrahedrite

Tetrahedrite

Stibnite

Stibnite

Sphalerite

Sphalerite

Sodalite

Sodalite

Silver

Silver

Pyromorphite

Pyromorphite

Molybdenite

Molybdenite

Gold

Gold

Galena

Galena

Barite

Barite

Antimony

Antimony

Chalcopyrite

Chalcopyrite

Aragonite

Aragonite

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