New Gallery #175

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Photos recently added to NH species galleries, set #175.
WULFENITE Johnson Rd. Locale, Bow, NH 1.2 mm field of view	Species: WULFENITE Locality: Johnson Rd. Locale, Bow, NH Specimen Size: 1.2 mm field of view Field Collected: Paul Young - 2016 Catalog No.: Anna Wilken specimen. Bob Wilken photo Notes:
MOLYBDENITE Red Hill, Moultonboro, NH 2.4 mm field of view	Species: MOLYBDENITE Locality: Red Hill, Moultonboro, NH Specimen Size: 2.4 mm field of view Field Collected: Anna Wilken Catalog No.: u943 Notes: This is the only Red Hill molybdenite that I have seen. Collected by Anna on a joint June, 2009 field trip with Bob & Anna Wilken. Impossible to get glare free photo.
NEPHELINE Red Hill, Moultonboro, NH 1.0 cm field of view NEPHELINE Red Hill, Moultonboro, NH 1.0 cm field of view NEPHELINE Red Hill, Moultonboro, NH 1.0 cm field of view - SW UV lighting	Species: NEPHELINE Locality: Red Hill, Moultonboro, NH Specimen Size: 1.0 cm field of view Field Collected: Tom Mortimer October, 2004. Catalog No.: e.g. 2174 Notes: Red Hill nepheline can be difficult to spot by the untrained eye. Red Hill hand samples appear as a mass of off-white and pale-gray minerals, some with the black amphibole hastingsite. LW UV easily distinguishes the fluorescent sodalite from the co-mingled feldspar and nepheline. All three of these minerals are present in this view. Thye annotated view identifies the three species. The nepheline has a glassy luster and is slightly pale-brownish. The feldspar has been describes as "mesoperthitic". The mesoperthite happens when a solid solution of K and Na feldspars "unmixes" during slow cooling, and separates out the Na-rich feldspar (the albite) as little blebs or streaks within the body of the K-rich feldspar (usually orthoclase or microcline).
OPAL var. Hyalite Red Hill, Moultonboro, NH 7 mm field of view	Species: OPAL var. Hyalite Locality: Red Hill, Moultonboro, NH Specimen Size: 7 mm field of view Field Collected: Tom Mortimer Catalog No.: Notes: This opal is not fluorescent, like most is. Red hill is a silica poor environment - no quartz, but the syenite, a Si mineral, weathers easily, so likely a source for this opal. A voucher specimen for Red Hill.
AEGIRINE ? Red Hill, Moultonboro, NH 4 mm field of view	Species: AEGIRINE ? Locality: Red Hill, Moultonboro, NH Specimen Size: 4 mm field of view Field Collected: Tom Mortimer Catalog No. poly bag, awaiting EDS: Notes: Aegirine is reported from Red Hill. In my review of saved Red Hill samples, I found one that had these splintery interiors of hastingsite. These reminded me of the Hurricane aegirine interiors of arfvedsonite. These Red Hill ones appear quite altered. Perhaps these black crystals are altering aegirine? All Red Hill hastingsite has a platy cleavage. These are different.
QUARTZ Red Hill, Moultonborough, NH 8 mm field of view	Species: QUARTZ Locality: Red Hill, Moultonborough, NH Specimen Size: 8 mm field of view Field Collected: Tom Mortimer - 2005 Catalog No.: u740 Notes: Rust coated acicular quartz crystals in a quartz vug. From a small quartz vein.
ARFVEDSONITE Hurricane Mtn. Conway, NH 11 cm crystal	Species: ARFVEDSONITE Locality: Hurricane Mtn. Conway, NH Specimen Size: 11 cm crystal Field Collected: Label says "A gift from M. Chandler" Catalog No.: Harvard Mineral Museum #119209. Notes: A Kevin Czaja photo.
MALACHITE Ham-Weeks Mine, Wakefield, NH 9.5 mm field of view	Species: MALACHITE Locality: Ham-Weeks Mine, Wakefield, NH Specimen Size: 9.5 mm field of view Field Collected: Tom Mortimer - 1982 Catalog No.: u560 Notes: I have had this labeled as torbernite for many years, but now believe this is malachite. Mindat.org lists malachite for Ham-Weeks (with photo) but not torbernite. Uraninite and some secondary uranium species are present at Ham-Weeks, but I could detect no radioactive response from this specimen with my sensitive scintillometer. No fluorescence was observed, although torbernite is not fluorescent, fluorescent autunite is often a close-by associate of torbernite. The resinous brown areas close to the malachite are likely altered chalcopyrite, also listed for Ham-Weeks.
FERRO-PARGASITE Joppa Hill, BedfordNH 3.5 cm specimen	Species: FERRO-PARGASITE Locality: Joppa Hill, Bedford, NH Specimen Size: 3.5 cm specimen Field Collected: Tom Mortimer - '90 Catalog No.: 734 Notes: EDS analysis (BC489) of these dark blades was indefinite as to if this is ferro-pargasite or ferrohornblende. A small noisy peak at about 1 KeV for sodium (required for ferro-pargasite) was unmarked. Ferro-pargasite chemistry is: NaCa₂(Fe₄Al)Si₆Al₂O₂₂(OH)₂ . The chemistry computed from this BC489 analysis is: Ca_2.94Fe_4.22Mg_1/10Al_1.92,Si_5.93O₂₃ normalized for 23 O. Ferrohornblende, Ca₂[Fe²⁺₄(Al,Fe³⁺)](Si₇Al)O₂₂(OH)₂ , has a similar element content, but Na is not included. Magnesiohornblende forms a series with ferrohornblende, with Mg replacing Fe. So this may be ferrohornblende with some magnesiohornblende component. A Raman analysis of a similar Joppa Hill specimen favored ferro-pargasite. A photo of the meionite-scapolite crystal on this #734 specimen is in the scapolite gallery. The Joppa Hill locality sits on the Amherst-Bedford town line. This specimen came from the Bedford side.
BERYL McGinnis Mine, Wentworth, NH 7 cm terminated crystal	Species: BERYL Locality: McGinnis Mine, Wentworth, NH Specimen Size: 7 cm terminated crystal Field Collected: Don Swenson Catalog No.: A Don Swenson collection specimen Notes: The McGinnis Mine is known for its 18 sided beryl crystals. This is an example.