Montijos quarry, Montijos, Monte Redondo e Carreira, Leiria, Leiria, Portugal

Olive green Titanite crystals with d'green Actinolite crystals. Field of view 14 mm. Collection M. Kampf No 05-174.

Specimen from the 1990s. Rui Nunes' collection and photo taken in 2005.

© Rui Nunes 2005

Field with 10x8mm - January of 2005

© Photo & Collection of Martins da Pedra

Titanite. Green crystal 6mm. Photo and Collection Jacques-Yves Desescaut.

© JY. Desescaut

Interesting crystallization - October of 2006.

© Photo & Collection of Martins da Pedra

Green titanite crystal with actinolite needles. Rui Nunes' specimen and photo, 2005.

© Rui Nunes 2005

A yellow-green titanite crystal on matrix. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Very bright titanite crystal on oligoclase-albite and some actinolite needles. Collection and photo Rui Nunes taken in August 2015.

© Rui Nunes 2015

5.5 mm green Titanite crystal on white Oligoclase - Close up of photo 31690 - Ex N. Garzetti, Sept. 2000

© Dott. geol. Marco Barsanti - geoman1@tin.it

Specimen from the 1990s. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Collected by Angelo Bar Photo Bruno Marello

© Marello Minerali

Oligoclase cluster with small greenish-yellow titanite crystals. Rui Nunes' specimen and photo taken in 2006.

© Rui Nunes 2006

Actinolite needles. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Titanite crystals on oliglocase. Rui Nunes' specimen and photo taken in 2006.

© Rui Nunes 2006

Sample crystallized - October of 2006.

© Photo & Collection of Martins da Pedra

Calcite, Actinolite. Fov 10mm. Photo and Collection Jacques-Yves Desescaut.

© JY. Desescaut

Sample crystallized - October of 2006.

© Photo & Collection of Martins da Pedra

Despite this quarry is inactive since the beginning of the 70's this vermicular prehnite was only collected in the early 90's. Nowadays it is almost impossible to find any specimen and visits are not allowed either. Specimen and photo Rui Nunes, December 2014

© Rui Nunes 2014

Actinolite needles with calcite crystals. Rui Nunes' specimen and photo taken in February 2006.

© Rui Nunes 2006

Actinolite needles with calcite crystals. Rui Nunes' specimen and photo taken in February 2007.

© Rui Nunes 2007

7 mm titanite crystal on ferro-actinolite and oligoclase. Specimen collected in April 2008. Collection and photo Rui Nunes, February 2013.

© Rui Nunes 2013

Sample crystallized - October of 2006.

© Photo & Collection of Martins da Pedra

Titanite cystals up to 4mm - October of 2006

© Photo & Collection of Martins da Pedra

Actinolite needles with calcite on oligoclase and prehnite. Rui Nunes' specimen and photo taken in June 2006.

© Rui Nunes 2006

Actinolite needles and colourless calcite. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Floater actinolite needles in a small vug. Rui Nunes' specimen and photo taken in 2008.

© Rui Nunes 2008

Green pumpellyite spheres in the matrix (analyzed specimen). Rui Nunes' specimen and photo, June 2006.

© Rui Nunes 2006

Green pumpellyite in a vug. Rui Nunes' specimen and photo, October 2008.

© Rui Nunes 2008

Field with 12x6mm - January of 2009

© Photo & Collection of Martins da Pedra

Yellow-green titanite crystals on matrix. Rui Nunes' specimen and photo taken in July 2007.

© Rui Nunes 2007

© Jorge Moreira Alves

January of 2005.

© Photo & Collection of Martins da Pedra

Main crystal size is 3 mm.

© Stefan Koch

Despite this quarry being inactive since the beginning of the 1970s, this vermicular prehnite was only collected in the early 1990s. Nowadays it is almost impossible to find any specimen and visits are not allowed. Specimen and photo Rui Nunes, July 2022.

© Rui Nunes 2022

Crystals in fan on Oligoclase - Overall size 13x8x4cm - June of 2003 - From Carlos Marques collection

© Photo & Collection of Martins da Pedra

Actinolite with Oligoclase. Field of view 30mm. Specimen size9x5cm. Actinolite up to 13mm, Oligoclase 2mm. Photo and Collection; Jorge M. Alves.

© Jorge Moreira Alves

Magnesio-hornblende crystals in a dolerite vug. Rui Nunes' specimen and photo taken in February 2007.

© Rui Nunes 2007

Green titanite crystal, prehnite on the left and some actinolite needles on oligoclase matrix. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Titanite crystal group on oligioclase. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Titanite crystals with prehnite on oligoclase. Rui Nunes' specimen and photo, January 2009.

© Rui Nunes 2005

Titanite crystals with prehnite on oligoclase. Rui Nunes' specimen and photo, January 2009.

© Rui Nunes 2005

Calcite crystals on pumpellyite matrix. We can see an orange core in the calcite. F.O.V. 20mm.

© Pedro Alves

Picture width ~ 20 mm. Rui Nunes' specimen and photo, September 2008.

© Rui Nunes 2008

Field with 12x6mm - January of 2009

© Photo & Collection of Martins da Pedra

Transparent calcite crystals crossed by needle-like actinolite crystals in a small cavity of the matrix. Prehnite is clearly visible on the left edge. Rui Nunes' specimen and photo, 2011.

© Rui Nunes 2011

This specimen hosts numerous isolated, pristine, gemmy crystals of Titanite var. Sphene in association with Chlorite aesthetically distributed across the matrix. Very vibrant and lively. Specimen size is 3.83cm x 3.76cm x 3.1cm.

© Jasun McAvoy & mineralman.com

Despite this quarry is inactive since the beginning of the 70's this vermicular prehnite was only collected in the early 90's. Nowadays it is almost impossible to find any specimen and visits are not allowed either. Specimen and photo Rui Nunes, December 2014.

© Rui Nunes 2014

I like this vermicular prehnite crystals! I acquired a reasonable number of these specimens two or three years ago; they are all identicall but all different, you know... Personaly I never found prehnite with this habit at Montijos. I think that this stuff is from the 80/90's or before. This quarry, a fine grained and extremely consistent ...

© Rui Nunes 2021

Despite this quarry being inactive since the beginning of the 1970s, this vermicular prehnite was only collected in the early 1990s. Nowadays it is almost impossible to find any specimen and visits are not allowed. Specimen and photo Rui Nunes, July 2022.

© Rui Nunes 2022

© Thierry LESENECHAL

Actinolite. Field of view 30mm. Specimen size7,5x4,5cm. Actinolite up to 13mm. Photo and Collection; Jorge M. Alves.

© Jorge Moreira Alves

A cavity in the matrix filled with actinolite needles and small spheres of pumpellyite along the edges. Rui Nunes' specimen and photo taken in 2006.

© Rui Nunes 2006

Crystals up to 7mm - Overall size 8x4x3cm - October of 2006

© Photo & Collection of Martins da Pedra

Actinolite crystal group in the matrix. Rui Nunes' specimen and photo taken in 2007.

© Rui Nunes 2007

Clear green pumpellyite spheres with small quartz crystals.

© Pedro Alves

Green pumpellyite spheres in the matrix. Rui Nunes' specimen and photo, August 2008.

© Rui Nunes 2008

Botryoidal aggregates of green pumpellyite on matrix. Rui Nunes' specimen and photo taken in 2005.

© Rui Nunes 2005

Despite this quarry being inactive since the beginning of the 1970s, this vermicular prehnite was only collected in the early 1990s. Nowadays it is almost impossible to find any specimen and visits are not allowed. Specimen and photo Rui Nunes, December 2014.

© Rui Nunes 2021

Field with 12x6mm - January of 2009

© Photo & Collection of Martins da Pedra

Calcite crystals crossed by actinolite needles, fov 4 mm. Rui Nunes' specimen and photo, February 2006.

© Rui Nunes 2006

Botryoidal aggregates of green pumpellyite on matrix. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Green pumpellyite with calcite and quartz. Rui Nunes' specimen and photo, 2005.

© Rui Nunes 2005

Globular aggregates of green pumpellyite with calcite crystals. Rui Nunes' specimen and photo taken in June 2006.

© Rui Nunes 2006

Actinolite needles in a vug with colourless prehnite. Collection and photo Rui Nunes, March 2013.

© Rui Nunes 2013

Orange titanite on prehnite. Rui Nunes' specimen and photo, 2005.

© Rui Nunes 2005

Rui Nunes' specimen and photo, April 2012.

© Rui Nunes 2012

Actinolite needles, colourless calcite and white oligoclase. Collection and photo Rui Nunes, March 2013.

© Rui Nunes 2013

Calcite crystals up to 2 mm on prehnite. Rui Nunes' specimen and photo, 2005.

© Rui Nunes 2005

An isolated titanite crystal on a oligoclase and prehnite matrix. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

December of 1995.

© Photo & Collection of Martins da Pedra

Calcite crystals with actinolite in a small vug. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

4 mm titanite crystal with actinolite and prehnite. Rui Nunes' specimen and photo, 2006.

© Rui Nunes 2006

Actinolite crystals up to 7mm on Oligoclase - January of 2005

© Photo & Collection of Martins da Pedra

Green pumpellyite spheres in the matrix. Rui Nunes' specimen and photo, 2011.

© Rui Nunes 2011

Green hornblende crystals (up to 2mm) with fibrous prehnite.

© Pedro Alves