Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA

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Apatite, Quartz (Var: Smoky Quartz) : SiO₂
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 5.8 x 5.8 x 3.9 cm. A rare and unique combination specimen from the much less well-known Pack Rat Mine of San Diego County. A sharp, textbook, hexagonal, gemmy and lustrous, 4.5 cm, pastel-green apatite crystal is set in two, sharp, intergrown, glassy and transparent, lightly etched, smoky quartz crystals. The lower portion of the apatite crystal ...
© Rob Lavinsky	Photo ID: 223880 View Count: 37
Apatite
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 1.7 x 1.0 x 0.9 cm. A nice locality piece from this remote, seldom seen locale. Ex. William Larson Collection.
© Rob Lavinsky	Photo ID: 259796 View Count: 8
Apatite
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 2.8 x 2.0 x 1.0 cm. A nice locality piece from this remote, seldom seen locale, showing multi-generational growth. Ex. William Larson Collection.
© Rob Lavinsky	Photo ID: 259798 View Count: 7
Beryl : Be₃Al₂Si₆O₁₈, Muscovite : KAl₂[(OH)₂\|AlSi₃O₁₀]
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA Two beryl crystals, 3.5 and 4.5 cm tall, recovered in the mid 1990s from the Pack Rat pegmatite.
© 2003, Jesse Fisher	Photo ID: 39679 View Count: 348
Beryl : Be₃Al₂Si₆O₁₈, Albite (Var: Cleavelandite) : Na[AlSi₃O₈], Muscovite : KAl₂[(OH)₂\|AlSi₃O₁₀]
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 2.1 x 1.7 x 1.3 cm. A nice locality piece from this remote, seldom seen locale. Ex. William Larson Collection.
© Rob Lavinsky	Photo ID: 259791 View Count: 8
Beryl (Var: Aquamarine) : Be₃Al₂Si₆O₁₈
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA An unusual beryl crystal , period! It has a pleasing pastel blue color, and an unusual silky lustre to it. It is somewhat rough, not smooth, and just all around weird. This was acquired from Chuck Houser in 2003 and is thought to be one of the best beryl crystals from this locality. 6.3 x 4.3 cm
© Rob Lavinsky	Photo ID: 20387 View Count: 303
Beryl (Var: Aquamarine) : Be₃Al₂Si₆O₁₈
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 2.2 x 1.2 x 0.8 cm. A water-clear, gemmy and lustrous, doubly terminated, faint blue-green aquamarine crystal from the Pack Rat Mine, Jacumba District, San Diego County. The crystal has a distinctive interior refraction in the middle and the terminations are lightly coated with iron oxides. Ex. Irv Brown Collection. 22.6 carats or 4.5 grams.
© Rob Lavinsky	Photo ID: 182985 View Count: 59
Beryl (Var: Aquamarine) : Be₃Al₂Si₆O₁₈
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 2.5 x 1.3 x 1.0 cm. A nice locality piece from this remote, seldom seen locale. Ex. William Larson Collection.
© Rob Lavinsky	Photo ID: 259793 View Count: 7
Cassiterite : SnO₂
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 2.7 x 2.6 x 2.2 cm. A bizarre, very surprising locality piece especially as it comes from a mine which has produced so little. Cassiterite, pegmatitic in origin here, is very rare in the county. Ex. William Larson Collection.
© Rob Lavinsky	Photo ID: 259949 View Count: 4
Herderite : CaBe[(F,OH)\|PO₄], Quartz (Var: Smoky Quartz) : SiO₂
	Pack Rat Mine, Mt. Tule, Jacumba District, San Diego Co., California, USA 5.3 x 3.5 x 3.4 cm. A rare, unique, and fine combination specimen from the Pack Rat Mine of San Diego County. A sharp, lustrous, doubly terminated, 2.3 cm, off-white herderite crystal is perched on the side of two, intergrown, glassy and translucent, smoky quartz crystals. Older material from the Chuck Houser Collection and it also comes with a ...
© Rob Lavinsky	Photo ID: 203270 View Count: 67