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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1531
Location: Catalonia
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 Posted: Jul 11, 2010 03:48 Post subject: Re: Vics collection |
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Hi, Vic!
Many thanks for publishing your pictures at FMF again.
It would be better, however, to group several photos together in a single post. Just to prevent the system from sending so many email messages to the every subscriber.
Please, keep posting.
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Jordi Fabre
Overall coordinator of the Forum
Joined: 07 Aug 2006
Posts: 5025
Location: Barcelona
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| Posted: Jul 11, 2010 07:43 Post subject: Re: Vics collection |
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| vic rzonca wrote: | | Close up of large the piece from previous photo-some of the calcite is lilac in color. What might be the coloring agent, please? |
Usually, pink, red or lilac colors are attributed to cobalt but I believe that excepting some particular cases (like Bou Azzer or Congo calcites for example) the color is due either the atomic structure or the color centers.
References -> https://www.mineral-forum.com/message-board/viewtopic.php?p=2185#2185
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John S. White
Site Admin
Joined: 04 Sep 2006
Posts: 1298
Location: Stewartstown, Pennsylvania, USA
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| Posted: Jul 11, 2010 10:22 Post subject: Re: Vics collection |
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Vic:
Does it fluoresce? If so, the chromophore may well be manganese. The only way to be sure, of course, is a chemical analysis, unfortunately.
_________________
John S. White
aka Rondinaire |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jul 23, 2010 14:02 Post subject: Re: Vics collection |
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There seems to be two generations of growth, the base growth glows orange and the overgrowth glows a faint pink under longwave.
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| One of my collecting chums with a large calcite boat. |
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31659 Time(s) |
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Carles Millan
Site Admin
Joined: 05 May 2007
Posts: 1531
Location: Catalonia
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| Posted: Jul 23, 2010 14:30 Post subject: Re: Vics collection |
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| vic rzonca wrote: | | There seems to be two generations of growth, the base growth glows orange and the overgrowth glows a faint pink under longwave. |
Vic, what is its size? Approximately. I guess it's a quite heavy specimen, isn't it?
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jul 23, 2010 15:35 Post subject: Re: Vics collection |
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Carles, the piece has a bit of matrix on the rear so it's weight is around 22lbs. The size is indicated by the scale in this photo. Over 100lbs. came out of the pocket-split 3 ways.
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Aug 22, 2010 06:42 Post subject: Re: Vics collection |
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Recent datolite pocket contents, Holyoke Trapps. Not a good shot.
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31059 Time(s) |
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| Small crystal,center is 2 cm. |
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31043 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Aug 23, 2010 07:55 Post subject: Re: Vics collection |
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Quartz scepter.
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| _Quartz and Wizard. Quartz is about 24cm. |
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30929 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Sep 23, 2010 16:40 Post subject: Re: Vics collection |
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Some recently collected quartz from Stafford CT. USA.
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30743 Time(s) |
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| The vug is about 15 cm.. Sorry about the quality of the shot. |
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30773 Time(s) |
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30706 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Oct 20, 2010 07:14 Post subject: Re: Vics collection |
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More personally collected specimens
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| Prehnite casts after anhydrite. Size is 15 cm. x 17 cm. saved from the crusher last week. Holyoke Trapps, Western Mass. USA |
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30579 Time(s) |
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| Fossilized feather from Douglas Pass Co. USA. I wonder about the rarity of such a thing, any comment? |
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30646 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jan 03, 2011 18:41 Post subject: Re: Vics collection |
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More from the trapps of western MA.
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| 10 cm. prehnite and calcite, with minor epidote collected 2010. |
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38302 Time(s) |
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| 11 cm. calcite and minor quartz, hemitite stained. Collected 05. |
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38254 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jan 07, 2011 10:28 Post subject: Re: Hoppered galena |
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1 cm. hoppered galena crystal found in a calcite seam at the Lanes Quarry. The contact of the basalt with the underlying silt-stone shows small amount of sulfide veining . South, along the traprock ridge, is found the Newgate Prison / copper mine.
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| 1 cm. galena two opposite views. |
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38188 Time(s) |
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38200 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jul 28, 2011 20:40 Post subject: Re: Vics collection |
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Quartz shelf-testing new camera.
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Quartz
various locations
15"w x12'high x12d
Part of my quartz shelf, just testing my new i-mac and cannon set up. |
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37625 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jul 29, 2011 08:03 Post subject: Re: Vics collection |
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Garnet from a classic location, found 9/10.
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Almandine Garnet
Russell, Hampden Co., Massachusetts, USA
Crystal size: 4x3 cm. |
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37673 Time(s) |
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vic rzonca
Joined: 18 Nov 2008
Posts: 820
Location: MA
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| Posted: Jul 29, 2011 11:22 Post subject: Re: Vics collection |
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Several more field collected by myself.
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Quartz, Tessin habit
Spruce Hill, New Hampshire, USA
6x3 cm. |
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37596 Time(s) |
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Siderite on Quartz
Ossipee, New Hampshire, USA
7x5 cm. |
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37662 Time(s) |
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Julgoldite (Pumpellyite Group) on Prehnite
Southbury, New Haven County, Connecticut, USA
Specimen size 10x10 cm. |
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37623 Time(s) |
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