Table of Contents

• Wollastonite from Gouverneur Talc Company #4 Quarry, Harrisville, Lewis County, New York by Howie Green 1–3
• The Valentine Quarry Gallery by Howie Green 4–8
• Worldwide Prehnite Gallery by Howie Green 9–10
• Rose Road—The WSK and the PDM by Howie Green 11–23
• Bush Farm, Gouverneur, St. Lawrence County, New York by Howie Green 24–26
• The Bush Farm Gallery by Howie Green 27–34
• The Mysterious Lowville “Occurrence” by Howie Green 35–37
• The Lowville Gallery by Howie Green 37–43
• Dr. Christopher Emproto’s Lowville Gallery by Christopher Emproto 44–45
• Fluorescent Minerals from the Greely Area, Ontario, Canada by Frédéric Messier Leroux 46–50

Wollastonite from Gouverneur Talc Company #4 Quarry, Harrisville, Lewis County, New York

By Howie Green · pp. 1–3

This article examines wollastonite from the Valentine Mine, also known as the Gouverneur Talc Company #4 Quarry, in upstate New York. It describes the mineral’s chemistry, crystal structure, industrial uses, geological setting, and association with blue calcite and prehnite in a Grenville marble skarn. The article also discusses changing collector observations of wollastonite, calcite, and prehnite under different ultraviolet wavelengths, including activator elements and persistent afterglow.

The Valentine Quarry Gallery

By Howie Green · pp. 4–8

This image-centered gallery presents specimens from the Valentine Mine, including blue calcitic marble, wollastonite, prehnite, and calcite. Captions explain the deposit’s relationship to Grenvillian marbles and Diana Complex syenites, the approximate Mesoproterozoic ages of the host and skarn, and visible responses under white light and multiple ultraviolet wavelengths. One specimen is further investigated with Raman spectroscopy to distinguish wollastonite, calcite, prehnite, diopside, and an unidentified fluorescent component.

Worldwide Prehnite Gallery

By Howie Green · pp. 9–10

This gallery broadens the discussion of prehnite beyond the familiar New Jersey material by showing specimens from Morocco, Tanzania, Franklin in New Jersey, Quebec’s Jeffrey Mine, and Saint-Michel-de-Wentworth. The captions identify associated minerals, localities, specimen dimensions, and the ultraviolet conditions used for photography. The examples demonstrate that prehnite can occur in varied geological settings and can display notable ultraviolet responses in association with calcite, wollastonite, or scapolite.

Rose Road—The WSK and the PDM

By Howie Green · pp. 11–23

This extensive locality study introduces the Rose Road collecting area in Pitcairn, New York, and separates its historic Wollastonite Skarn occurrence from the Purple Diopside Mound. It reviews access, geological history, mineral suites, and collector experiences, then describes albite, calcite, diopside, fluorapatite, titanite, thorite, thorianite, wollastonite, scapolite, corundum, and related assemblages. Detailed specimen captions document ultraviolet colors, mineral associations, changing collecting conditions, and distinctions between the two nearby sites.

Bush Farm, Gouverneur, St. Lawrence County, New York

By Howie Green · pp. 24–26

This article surveys the Dale Bush Farm, also called the Reese Farm, a long-established collecting locality near Gouverneur, New York. It emphasizes the site’s brown tourmaline, identified in published work as fluor-uvite, and describes its occurrence with tremolite, diopside, and calcite in Precambrian calc-silicate rocks adjoining Grenville Marble. The discussion covers tourmaline composition, uvite-dravite distinctions, crystal habit, boron, locality documentation, collecting access, and associated mineral specimens.

The Bush Farm Gallery

By Howie Green · pp. 27–34

This gallery documents Bush Farm and nearby St. Lawrence County specimens through photographs and detailed captions. Featured assemblages include fluor-uvite, tremolite, diopside, calcite, fluorapatite, actinolite, and unidentified ultraviolet-reactive material from Bower Power’s Farm. The captions record specimen dimensions, collecting or acquisition histories, ultraviolet viewing conditions, crystal quality, and questions about repairing and cleaning damaged tourmaline specimens. The gallery also discusses the difficulty of identifying tourmaline species without chemical analysis.

The Mysterious Lowville “Occurrence”

By Howie Green · pp. 35–37

This article investigates poorly documented calcite, quartz, and fluorite specimens attributed to Lowville, Lewis County, New York. The author traces the material through a collection inherited from Joe Freilich, compares the reported one-time finds with the better-known Lowville Quartz Locality, and considers possible additional sites near Mill Creek. Geological context includes Beekmantown dolostone, Herkimer-like quartz, gash veins, sulfides, fluorite, calcite, and uncertainty about the provenance of several specimens.

The Lowville Gallery

By Howie Green · pp. 37–43

This gallery illustrates specimens associated with the Lowville Quartz Occurrence and other incompletely specified Lowville finds. It includes smoky skeletal quartz, calcite, dolomite, fluorite, marcasite, and suspected hydrocarbon coatings or inclusions. Captions distinguish material from the documented quartz locality from specimens labeled only by town and county, while white-light and ultraviolet views reveal varied orange, yellow, and other responses. Several examples are connected to late-1950s or one-time collecting events.

Dr. Christopher Emproto’s Lowville Gallery

By Christopher Emproto · pp. 44–45

This gallery presents selected Lowville specimens from Christopher Emproto’s collection, including quartz and calcite, fluorite with minor sphalerite, dolomite with hydrocarbon coating, dickite with calcite and hydrocarbons, and a complex multigeneration calcite specimen overgrown by marcasite and hydrocarbons. The captions emphasize rarity, collection history, relationships to the initial Lowville find, and similarities with Ontario localities such as Grant Quarry.

Fluorescent Minerals from the Greely Area, Ontario, Canada

By Frédéric Messier Leroux · pp. 46–50

This article compares the Blair Farm and Grant Quarry occurrences in southeastern Ontario, both hosted by Beekmantown Group dolomitic limestones. It describes quartz, calcite, dolomite, marcasite, and pyrobitumen, with particular attention to wavelength-dependent responses of calcite and suspected hydrocarbon material. The author discusses smoky and skeletal quartz, hydrocarbon inclusions, and the contrast between shallow, weathered Blair Farm material and deeper, better-preserved Grant Quarry specimens.